/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/cloud/retail/v2/search_service.proto

package com.google.cloud.retail.v2;

public interface SearchRequestOrBuilder
    extends
    // @@protoc_insertion_point(interface_extends:google.cloud.retail.v2.SearchRequest)
    com.google.protobuf.MessageOrBuilder {

  /**
   *
   *
   * <pre>
   * Required. The resource name of the Retail Search serving config, such as
   * `projects/&#42;&#47;locations/global/catalogs/default_catalog/servingConfigs/default_serving_config`
   * or the name of the legacy placement resource, such as
   * `projects/&#42;&#47;locations/global/catalogs/default_catalog/placements/default_search`.
   * This field is used to identify the serving config name and the set
   * of models that will be used to make the search.
   * </pre>
   *
   * <code>string placement = 1 [(.google.api.field_behavior) = REQUIRED];</code>
   *
   * @return The placement.
   */
  java.lang.String getPlacement();
  /**
   *
   *
   * <pre>
   * Required. The resource name of the Retail Search serving config, such as
   * `projects/&#42;&#47;locations/global/catalogs/default_catalog/servingConfigs/default_serving_config`
   * or the name of the legacy placement resource, such as
   * `projects/&#42;&#47;locations/global/catalogs/default_catalog/placements/default_search`.
   * This field is used to identify the serving config name and the set
   * of models that will be used to make the search.
   * </pre>
   *
   * <code>string placement = 1 [(.google.api.field_behavior) = REQUIRED];</code>
   *
   * @return The bytes for placement.
   */
  com.google.protobuf.ByteString getPlacementBytes();

  /**
   *
   *
   * <pre>
   * The branch resource name, such as
   * `projects/&#42;&#47;locations/global/catalogs/default_catalog/branches/0`.
   * Use "default_branch" as the branch ID or leave this field empty, to search
   * products under the default branch.
   * </pre>
   *
   * <code>string branch = 2 [(.google.api.resource_reference) = { ... }</code>
   *
   * @return The branch.
   */
  java.lang.String getBranch();
  /**
   *
   *
   * <pre>
   * The branch resource name, such as
   * `projects/&#42;&#47;locations/global/catalogs/default_catalog/branches/0`.
   * Use "default_branch" as the branch ID or leave this field empty, to search
   * products under the default branch.
   * </pre>
   *
   * <code>string branch = 2 [(.google.api.resource_reference) = { ... }</code>
   *
   * @return The bytes for branch.
   */
  com.google.protobuf.ByteString getBranchBytes();

  /**
   *
   *
   * <pre>
   * Raw search query.
   * If this field is empty, the request is considered a category browsing
   * request and returned results are based on
   * [filter][google.cloud.retail.v2.SearchRequest.filter] and
   * [page_categories][google.cloud.retail.v2.SearchRequest.page_categories].
   * </pre>
   *
   * <code>string query = 3;</code>
   *
   * @return The query.
   */
  java.lang.String getQuery();
  /**
   *
   *
   * <pre>
   * Raw search query.
   * If this field is empty, the request is considered a category browsing
   * request and returned results are based on
   * [filter][google.cloud.retail.v2.SearchRequest.filter] and
   * [page_categories][google.cloud.retail.v2.SearchRequest.page_categories].
   * </pre>
   *
   * <code>string query = 3;</code>
   *
   * @return The bytes for query.
   */
  com.google.protobuf.ByteString getQueryBytes();

  /**
   *
   *
   * <pre>
   * Required. A unique identifier for tracking visitors. For example, this
   * could be implemented with an HTTP cookie, which should be able to uniquely
   * identify a visitor on a single device. This unique identifier should not
   * change if the visitor logs in or out of the website.
   * This should be the same identifier as
   * [UserEvent.visitor_id][google.cloud.retail.v2.UserEvent.visitor_id].
   * The field must be a UTF-8 encoded string with a length limit of 128
   * characters. Otherwise, an INVALID_ARGUMENT error is returned.
   * </pre>
   *
   * <code>string visitor_id = 4 [(.google.api.field_behavior) = REQUIRED];</code>
   *
   * @return The visitorId.
   */
  java.lang.String getVisitorId();
  /**
   *
   *
   * <pre>
   * Required. A unique identifier for tracking visitors. For example, this
   * could be implemented with an HTTP cookie, which should be able to uniquely
   * identify a visitor on a single device. This unique identifier should not
   * change if the visitor logs in or out of the website.
   * This should be the same identifier as
   * [UserEvent.visitor_id][google.cloud.retail.v2.UserEvent.visitor_id].
   * The field must be a UTF-8 encoded string with a length limit of 128
   * characters. Otherwise, an INVALID_ARGUMENT error is returned.
   * </pre>
   *
   * <code>string visitor_id = 4 [(.google.api.field_behavior) = REQUIRED];</code>
   *
   * @return The bytes for visitorId.
   */
  com.google.protobuf.ByteString getVisitorIdBytes();

  /**
   *
   *
   * <pre>
   * User information.
   * </pre>
   *
   * <code>.google.cloud.retail.v2.UserInfo user_info = 5;</code>
   *
   * @return Whether the userInfo field is set.
   */
  boolean hasUserInfo();
  /**
   *
   *
   * <pre>
   * User information.
   * </pre>
   *
   * <code>.google.cloud.retail.v2.UserInfo user_info = 5;</code>
   *
   * @return The userInfo.
   */
  com.google.cloud.retail.v2.UserInfo getUserInfo();
  /**
   *
   *
   * <pre>
   * User information.
   * </pre>
   *
   * <code>.google.cloud.retail.v2.UserInfo user_info = 5;</code>
   */
  com.google.cloud.retail.v2.UserInfoOrBuilder getUserInfoOrBuilder();

  /**
   *
   *
   * <pre>
   * Maximum number of [Product][google.cloud.retail.v2.Product]s to return. If
   * unspecified, defaults to a reasonable value. The maximum allowed value is
   * 120. Values above 120 will be coerced to 120.
   * If this field is negative, an INVALID_ARGUMENT is returned.
   * </pre>
   *
   * <code>int32 page_size = 7;</code>
   *
   * @return The pageSize.
   */
  int getPageSize();

  /**
   *
   *
   * <pre>
   * A page token
   * [SearchResponse.next_page_token][google.cloud.retail.v2.SearchResponse.next_page_token],
   * received from a previous
   * [SearchService.Search][google.cloud.retail.v2.SearchService.Search] call.
   * Provide this to retrieve the subsequent page.
   * When paginating, all other parameters provided to
   * [SearchService.Search][google.cloud.retail.v2.SearchService.Search] must
   * match the call that provided the page token. Otherwise, an INVALID_ARGUMENT
   * error is returned.
   * </pre>
   *
   * <code>string page_token = 8;</code>
   *
   * @return The pageToken.
   */
  java.lang.String getPageToken();
  /**
   *
   *
   * <pre>
   * A page token
   * [SearchResponse.next_page_token][google.cloud.retail.v2.SearchResponse.next_page_token],
   * received from a previous
   * [SearchService.Search][google.cloud.retail.v2.SearchService.Search] call.
   * Provide this to retrieve the subsequent page.
   * When paginating, all other parameters provided to
   * [SearchService.Search][google.cloud.retail.v2.SearchService.Search] must
   * match the call that provided the page token. Otherwise, an INVALID_ARGUMENT
   * error is returned.
   * </pre>
   *
   * <code>string page_token = 8;</code>
   *
   * @return The bytes for pageToken.
   */
  com.google.protobuf.ByteString getPageTokenBytes();

  /**
   *
   *
   * <pre>
   * A 0-indexed integer that specifies the current offset (that is, starting
   * result location, amongst the [Product][google.cloud.retail.v2.Product]s
   * deemed by the API as relevant) in search results. This field is only
   * considered if [page_token][google.cloud.retail.v2.SearchRequest.page_token]
   * is unset.
   * If this field is negative, an INVALID_ARGUMENT is returned.
   * </pre>
   *
   * <code>int32 offset = 9;</code>
   *
   * @return The offset.
   */
  int getOffset();

  /**
   *
   *
   * <pre>
   * The filter syntax consists of an expression language for constructing a
   * predicate from one or more fields of the products being filtered. Filter
   * expression is case-sensitive. See more details at this [user
   * guide](https://cloud.google.com/retail/docs/filter-and-order#filter).
   * If this field is unrecognizable, an INVALID_ARGUMENT is returned.
   * </pre>
   *
   * <code>string filter = 10;</code>
   *
   * @return The filter.
   */
  java.lang.String getFilter();
  /**
   *
   *
   * <pre>
   * The filter syntax consists of an expression language for constructing a
   * predicate from one or more fields of the products being filtered. Filter
   * expression is case-sensitive. See more details at this [user
   * guide](https://cloud.google.com/retail/docs/filter-and-order#filter).
   * If this field is unrecognizable, an INVALID_ARGUMENT is returned.
   * </pre>
   *
   * <code>string filter = 10;</code>
   *
   * @return The bytes for filter.
   */
  com.google.protobuf.ByteString getFilterBytes();

  /**
   *
   *
   * <pre>
   * The default filter that is applied when a user performs a search without
   * checking any filters on the search page.
   * The filter applied to every search request when quality improvement such as
   * query expansion is needed. For example, if a query does not have enough
   * results, an expanded query with
   * [SearchRequest.canonical_filter][google.cloud.retail.v2.SearchRequest.canonical_filter]
   * will be returned as a supplement of the original query. This field is
   * strongly recommended to achieve high search quality.
   * See [SearchRequest.filter][google.cloud.retail.v2.SearchRequest.filter] for
   * more details about filter syntax.
   * </pre>
   *
   * <code>string canonical_filter = 28;</code>
   *
   * @return The canonicalFilter.
   */
  java.lang.String getCanonicalFilter();
  /**
   *
   *
   * <pre>
   * The default filter that is applied when a user performs a search without
   * checking any filters on the search page.
   * The filter applied to every search request when quality improvement such as
   * query expansion is needed. For example, if a query does not have enough
   * results, an expanded query with
   * [SearchRequest.canonical_filter][google.cloud.retail.v2.SearchRequest.canonical_filter]
   * will be returned as a supplement of the original query. This field is
   * strongly recommended to achieve high search quality.
   * See [SearchRequest.filter][google.cloud.retail.v2.SearchRequest.filter] for
   * more details about filter syntax.
   * </pre>
   *
   * <code>string canonical_filter = 28;</code>
   *
   * @return The bytes for canonicalFilter.
   */
  com.google.protobuf.ByteString getCanonicalFilterBytes();

  /**
   *
   *
   * <pre>
   * The order in which products are returned. Products can be ordered by
   * a field in an [Product][google.cloud.retail.v2.Product] object. Leave it
   * unset if ordered by relevance. OrderBy expression is case-sensitive. See
   * more details at this [user
   * guide](https://cloud.google.com/retail/docs/filter-and-order#order).
   * If this field is unrecognizable, an INVALID_ARGUMENT is returned.
   * </pre>
   *
   * <code>string order_by = 11;</code>
   *
   * @return The orderBy.
   */
  java.lang.String getOrderBy();
  /**
   *
   *
   * <pre>
   * The order in which products are returned. Products can be ordered by
   * a field in an [Product][google.cloud.retail.v2.Product] object. Leave it
   * unset if ordered by relevance. OrderBy expression is case-sensitive. See
   * more details at this [user
   * guide](https://cloud.google.com/retail/docs/filter-and-order#order).
   * If this field is unrecognizable, an INVALID_ARGUMENT is returned.
   * </pre>
   *
   * <code>string order_by = 11;</code>
   *
   * @return The bytes for orderBy.
   */
  com.google.protobuf.ByteString getOrderByBytes();

  /**
   *
   *
   * <pre>
   * Facet specifications for faceted search. If empty, no facets are returned.
   * A maximum of 200 values are allowed. Otherwise, an INVALID_ARGUMENT error
   * is returned.
   * </pre>
   *
   * <code>repeated .google.cloud.retail.v2.SearchRequest.FacetSpec facet_specs = 12;</code>
   */
  java.util.List<com.google.cloud.retail.v2.SearchRequest.FacetSpec> getFacetSpecsList();
  /**
   *
   *
   * <pre>
   * Facet specifications for faceted search. If empty, no facets are returned.
   * A maximum of 200 values are allowed. Otherwise, an INVALID_ARGUMENT error
   * is returned.
   * </pre>
   *
   * <code>repeated .google.cloud.retail.v2.SearchRequest.FacetSpec facet_specs = 12;</code>
   */
  com.google.cloud.retail.v2.SearchRequest.FacetSpec getFacetSpecs(int index);
  /**
   *
   *
   * <pre>
   * Facet specifications for faceted search. If empty, no facets are returned.
   * A maximum of 200 values are allowed. Otherwise, an INVALID_ARGUMENT error
   * is returned.
   * </pre>
   *
   * <code>repeated .google.cloud.retail.v2.SearchRequest.FacetSpec facet_specs = 12;</code>
   */
  int getFacetSpecsCount();
  /**
   *
   *
   * <pre>
   * Facet specifications for faceted search. If empty, no facets are returned.
   * A maximum of 200 values are allowed. Otherwise, an INVALID_ARGUMENT error
   * is returned.
   * </pre>
   *
   * <code>repeated .google.cloud.retail.v2.SearchRequest.FacetSpec facet_specs = 12;</code>
   */
  java.util.List<? extends com.google.cloud.retail.v2.SearchRequest.FacetSpecOrBuilder>
      getFacetSpecsOrBuilderList();
  /**
   *
   *
   * <pre>
   * Facet specifications for faceted search. If empty, no facets are returned.
   * A maximum of 200 values are allowed. Otherwise, an INVALID_ARGUMENT error
   * is returned.
   * </pre>
   *
   * <code>repeated .google.cloud.retail.v2.SearchRequest.FacetSpec facet_specs = 12;</code>
   */
  com.google.cloud.retail.v2.SearchRequest.FacetSpecOrBuilder getFacetSpecsOrBuilder(int index);

  /**
   *
   *
   * <pre>
   * Deprecated. Refer to https://cloud.google.com/retail/docs/configs#dynamic
   * to enable dynamic facets. Do not set this field.
   * The specification for dynamically generated facets. Notice that only
   * textual facets can be dynamically generated.
   * </pre>
   *
   * <code>
   * .google.cloud.retail.v2.SearchRequest.DynamicFacetSpec dynamic_facet_spec = 21 [deprecated = true];
   * </code>
   *
   * @deprecated google.cloud.retail.v2.SearchRequest.dynamic_facet_spec is deprecated. See
   *     google/cloud/retail/v2/search_service.proto;l=596
   * @return Whether the dynamicFacetSpec field is set.
   */
  @java.lang.Deprecated
  boolean hasDynamicFacetSpec();
  /**
   *
   *
   * <pre>
   * Deprecated. Refer to https://cloud.google.com/retail/docs/configs#dynamic
   * to enable dynamic facets. Do not set this field.
   * The specification for dynamically generated facets. Notice that only
   * textual facets can be dynamically generated.
   * </pre>
   *
   * <code>
   * .google.cloud.retail.v2.SearchRequest.DynamicFacetSpec dynamic_facet_spec = 21 [deprecated = true];
   * </code>
   *
   * @deprecated google.cloud.retail.v2.SearchRequest.dynamic_facet_spec is deprecated. See
   *     google/cloud/retail/v2/search_service.proto;l=596
   * @return The dynamicFacetSpec.
   */
  @java.lang.Deprecated
  com.google.cloud.retail.v2.SearchRequest.DynamicFacetSpec getDynamicFacetSpec();
  /**
   *
   *
   * <pre>
   * Deprecated. Refer to https://cloud.google.com/retail/docs/configs#dynamic
   * to enable dynamic facets. Do not set this field.
   * The specification for dynamically generated facets. Notice that only
   * textual facets can be dynamically generated.
   * </pre>
   *
   * <code>
   * .google.cloud.retail.v2.SearchRequest.DynamicFacetSpec dynamic_facet_spec = 21 [deprecated = true];
   * </code>
   */
  @java.lang.Deprecated
  com.google.cloud.retail.v2.SearchRequest.DynamicFacetSpecOrBuilder getDynamicFacetSpecOrBuilder();

  /**
   *
   *
   * <pre>
   * Boost specification to boost certain products. See more details at this
   * [user guide](https://cloud.google.com/retail/docs/boosting).
   * Notice that if both
   * [ServingConfig.boost_control_ids][google.cloud.retail.v2.ServingConfig.boost_control_ids]
   * and
   * [SearchRequest.boost_spec][google.cloud.retail.v2.SearchRequest.boost_spec]
   * are set, the boost conditions from both places are evaluated. If a search
   * request matches multiple boost conditions, the final boost score is equal
   * to the sum of the boost scores from all matched boost conditions.
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.BoostSpec boost_spec = 13;</code>
   *
   * @return Whether the boostSpec field is set.
   */
  boolean hasBoostSpec();
  /**
   *
   *
   * <pre>
   * Boost specification to boost certain products. See more details at this
   * [user guide](https://cloud.google.com/retail/docs/boosting).
   * Notice that if both
   * [ServingConfig.boost_control_ids][google.cloud.retail.v2.ServingConfig.boost_control_ids]
   * and
   * [SearchRequest.boost_spec][google.cloud.retail.v2.SearchRequest.boost_spec]
   * are set, the boost conditions from both places are evaluated. If a search
   * request matches multiple boost conditions, the final boost score is equal
   * to the sum of the boost scores from all matched boost conditions.
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.BoostSpec boost_spec = 13;</code>
   *
   * @return The boostSpec.
   */
  com.google.cloud.retail.v2.SearchRequest.BoostSpec getBoostSpec();
  /**
   *
   *
   * <pre>
   * Boost specification to boost certain products. See more details at this
   * [user guide](https://cloud.google.com/retail/docs/boosting).
   * Notice that if both
   * [ServingConfig.boost_control_ids][google.cloud.retail.v2.ServingConfig.boost_control_ids]
   * and
   * [SearchRequest.boost_spec][google.cloud.retail.v2.SearchRequest.boost_spec]
   * are set, the boost conditions from both places are evaluated. If a search
   * request matches multiple boost conditions, the final boost score is equal
   * to the sum of the boost scores from all matched boost conditions.
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.BoostSpec boost_spec = 13;</code>
   */
  com.google.cloud.retail.v2.SearchRequest.BoostSpecOrBuilder getBoostSpecOrBuilder();

  /**
   *
   *
   * <pre>
   * The query expansion specification that specifies the conditions under which
   * query expansion will occur. See more details at this [user
   * guide](https://cloud.google.com/retail/docs/result-size#query_expansion).
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.QueryExpansionSpec query_expansion_spec = 14;
   * </code>
   *
   * @return Whether the queryExpansionSpec field is set.
   */
  boolean hasQueryExpansionSpec();
  /**
   *
   *
   * <pre>
   * The query expansion specification that specifies the conditions under which
   * query expansion will occur. See more details at this [user
   * guide](https://cloud.google.com/retail/docs/result-size#query_expansion).
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.QueryExpansionSpec query_expansion_spec = 14;
   * </code>
   *
   * @return The queryExpansionSpec.
   */
  com.google.cloud.retail.v2.SearchRequest.QueryExpansionSpec getQueryExpansionSpec();
  /**
   *
   *
   * <pre>
   * The query expansion specification that specifies the conditions under which
   * query expansion will occur. See more details at this [user
   * guide](https://cloud.google.com/retail/docs/result-size#query_expansion).
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.QueryExpansionSpec query_expansion_spec = 14;
   * </code>
   */
  com.google.cloud.retail.v2.SearchRequest.QueryExpansionSpecOrBuilder
      getQueryExpansionSpecOrBuilder();

  /**
   *
   *
   * <pre>
   * The keys to fetch and rollup the matching
   * [variant][google.cloud.retail.v2.Product.Type.VARIANT]
   * [Product][google.cloud.retail.v2.Product]s attributes,
   * [FulfillmentInfo][google.cloud.retail.v2.FulfillmentInfo] or
   * [LocalInventory][google.cloud.retail.v2.LocalInventory]s attributes. The
   * attributes from all the matching
   * [variant][google.cloud.retail.v2.Product.Type.VARIANT]
   * [Product][google.cloud.retail.v2.Product]s or
   * [LocalInventory][google.cloud.retail.v2.LocalInventory]s are merged and
   * de-duplicated. Notice that rollup attributes will lead to extra query
   * latency. Maximum number of keys is 30.
   * For [FulfillmentInfo][google.cloud.retail.v2.FulfillmentInfo], a
   * fulfillment type and a fulfillment ID must be provided in the format of
   * "fulfillmentType.fulfillmentId". E.g., in "pickupInStore.store123",
   * "pickupInStore" is fulfillment type and "store123" is the store ID.
   * Supported keys are:
   * * colorFamilies
   * * price
   * * originalPrice
   * * discount
   * * variantId
   * * inventory(place_id,price)
   * * inventory(place_id,original_price)
   * * inventory(place_id,attributes.key), where key is any key in the
   *   [Product.local_inventories.attributes][google.cloud.retail.v2.LocalInventory.attributes]
   *   map.
   * * attributes.key, where key is any key in the
   *   [Product.attributes][google.cloud.retail.v2.Product.attributes] map.
   * * pickupInStore.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "pickup-in-store".
   * * shipToStore.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "ship-to-store".
   * * sameDayDelivery.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "same-day-delivery".
   * * nextDayDelivery.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "next-day-delivery".
   * * customFulfillment1.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-1".
   * * customFulfillment2.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-2".
   * * customFulfillment3.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-3".
   * * customFulfillment4.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-4".
   * * customFulfillment5.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-5".
   * If this field is set to an invalid value other than these, an
   * INVALID_ARGUMENT error is returned.
   * </pre>
   *
   * <code>repeated string variant_rollup_keys = 17;</code>
   *
   * @return A list containing the variantRollupKeys.
   */
  java.util.List<java.lang.String> getVariantRollupKeysList();
  /**
   *
   *
   * <pre>
   * The keys to fetch and rollup the matching
   * [variant][google.cloud.retail.v2.Product.Type.VARIANT]
   * [Product][google.cloud.retail.v2.Product]s attributes,
   * [FulfillmentInfo][google.cloud.retail.v2.FulfillmentInfo] or
   * [LocalInventory][google.cloud.retail.v2.LocalInventory]s attributes. The
   * attributes from all the matching
   * [variant][google.cloud.retail.v2.Product.Type.VARIANT]
   * [Product][google.cloud.retail.v2.Product]s or
   * [LocalInventory][google.cloud.retail.v2.LocalInventory]s are merged and
   * de-duplicated. Notice that rollup attributes will lead to extra query
   * latency. Maximum number of keys is 30.
   * For [FulfillmentInfo][google.cloud.retail.v2.FulfillmentInfo], a
   * fulfillment type and a fulfillment ID must be provided in the format of
   * "fulfillmentType.fulfillmentId". E.g., in "pickupInStore.store123",
   * "pickupInStore" is fulfillment type and "store123" is the store ID.
   * Supported keys are:
   * * colorFamilies
   * * price
   * * originalPrice
   * * discount
   * * variantId
   * * inventory(place_id,price)
   * * inventory(place_id,original_price)
   * * inventory(place_id,attributes.key), where key is any key in the
   *   [Product.local_inventories.attributes][google.cloud.retail.v2.LocalInventory.attributes]
   *   map.
   * * attributes.key, where key is any key in the
   *   [Product.attributes][google.cloud.retail.v2.Product.attributes] map.
   * * pickupInStore.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "pickup-in-store".
   * * shipToStore.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "ship-to-store".
   * * sameDayDelivery.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "same-day-delivery".
   * * nextDayDelivery.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "next-day-delivery".
   * * customFulfillment1.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-1".
   * * customFulfillment2.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-2".
   * * customFulfillment3.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-3".
   * * customFulfillment4.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-4".
   * * customFulfillment5.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-5".
   * If this field is set to an invalid value other than these, an
   * INVALID_ARGUMENT error is returned.
   * </pre>
   *
   * <code>repeated string variant_rollup_keys = 17;</code>
   *
   * @return The count of variantRollupKeys.
   */
  int getVariantRollupKeysCount();
  /**
   *
   *
   * <pre>
   * The keys to fetch and rollup the matching
   * [variant][google.cloud.retail.v2.Product.Type.VARIANT]
   * [Product][google.cloud.retail.v2.Product]s attributes,
   * [FulfillmentInfo][google.cloud.retail.v2.FulfillmentInfo] or
   * [LocalInventory][google.cloud.retail.v2.LocalInventory]s attributes. The
   * attributes from all the matching
   * [variant][google.cloud.retail.v2.Product.Type.VARIANT]
   * [Product][google.cloud.retail.v2.Product]s or
   * [LocalInventory][google.cloud.retail.v2.LocalInventory]s are merged and
   * de-duplicated. Notice that rollup attributes will lead to extra query
   * latency. Maximum number of keys is 30.
   * For [FulfillmentInfo][google.cloud.retail.v2.FulfillmentInfo], a
   * fulfillment type and a fulfillment ID must be provided in the format of
   * "fulfillmentType.fulfillmentId". E.g., in "pickupInStore.store123",
   * "pickupInStore" is fulfillment type and "store123" is the store ID.
   * Supported keys are:
   * * colorFamilies
   * * price
   * * originalPrice
   * * discount
   * * variantId
   * * inventory(place_id,price)
   * * inventory(place_id,original_price)
   * * inventory(place_id,attributes.key), where key is any key in the
   *   [Product.local_inventories.attributes][google.cloud.retail.v2.LocalInventory.attributes]
   *   map.
   * * attributes.key, where key is any key in the
   *   [Product.attributes][google.cloud.retail.v2.Product.attributes] map.
   * * pickupInStore.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "pickup-in-store".
   * * shipToStore.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "ship-to-store".
   * * sameDayDelivery.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "same-day-delivery".
   * * nextDayDelivery.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "next-day-delivery".
   * * customFulfillment1.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-1".
   * * customFulfillment2.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-2".
   * * customFulfillment3.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-3".
   * * customFulfillment4.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-4".
   * * customFulfillment5.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-5".
   * If this field is set to an invalid value other than these, an
   * INVALID_ARGUMENT error is returned.
   * </pre>
   *
   * <code>repeated string variant_rollup_keys = 17;</code>
   *
   * @param index The index of the element to return.
   * @return The variantRollupKeys at the given index.
   */
  java.lang.String getVariantRollupKeys(int index);
  /**
   *
   *
   * <pre>
   * The keys to fetch and rollup the matching
   * [variant][google.cloud.retail.v2.Product.Type.VARIANT]
   * [Product][google.cloud.retail.v2.Product]s attributes,
   * [FulfillmentInfo][google.cloud.retail.v2.FulfillmentInfo] or
   * [LocalInventory][google.cloud.retail.v2.LocalInventory]s attributes. The
   * attributes from all the matching
   * [variant][google.cloud.retail.v2.Product.Type.VARIANT]
   * [Product][google.cloud.retail.v2.Product]s or
   * [LocalInventory][google.cloud.retail.v2.LocalInventory]s are merged and
   * de-duplicated. Notice that rollup attributes will lead to extra query
   * latency. Maximum number of keys is 30.
   * For [FulfillmentInfo][google.cloud.retail.v2.FulfillmentInfo], a
   * fulfillment type and a fulfillment ID must be provided in the format of
   * "fulfillmentType.fulfillmentId". E.g., in "pickupInStore.store123",
   * "pickupInStore" is fulfillment type and "store123" is the store ID.
   * Supported keys are:
   * * colorFamilies
   * * price
   * * originalPrice
   * * discount
   * * variantId
   * * inventory(place_id,price)
   * * inventory(place_id,original_price)
   * * inventory(place_id,attributes.key), where key is any key in the
   *   [Product.local_inventories.attributes][google.cloud.retail.v2.LocalInventory.attributes]
   *   map.
   * * attributes.key, where key is any key in the
   *   [Product.attributes][google.cloud.retail.v2.Product.attributes] map.
   * * pickupInStore.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "pickup-in-store".
   * * shipToStore.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "ship-to-store".
   * * sameDayDelivery.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "same-day-delivery".
   * * nextDayDelivery.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "next-day-delivery".
   * * customFulfillment1.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-1".
   * * customFulfillment2.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-2".
   * * customFulfillment3.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-3".
   * * customFulfillment4.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-4".
   * * customFulfillment5.id, where id is any
   * [FulfillmentInfo.place_ids][google.cloud.retail.v2.FulfillmentInfo.place_ids]
   * for [FulfillmentInfo.type][google.cloud.retail.v2.FulfillmentInfo.type]
   *   "custom-type-5".
   * If this field is set to an invalid value other than these, an
   * INVALID_ARGUMENT error is returned.
   * </pre>
   *
   * <code>repeated string variant_rollup_keys = 17;</code>
   *
   * @param index The index of the value to return.
   * @return The bytes of the variantRollupKeys at the given index.
   */
  com.google.protobuf.ByteString getVariantRollupKeysBytes(int index);

  /**
   *
   *
   * <pre>
   * The categories associated with a category page. Required for category
   * navigation queries to achieve good search quality. The format should be
   * the same as
   * [UserEvent.page_categories][google.cloud.retail.v2.UserEvent.page_categories];
   * To represent full path of category, use '&gt;' sign to separate different
   * hierarchies. If '&gt;' is part of the category name, replace it with
   * other character(s).
   * Category pages include special pages such as sales or promotions. For
   * instance, a special sale page may have the category hierarchy:
   * "pageCategories" : ["Sales &gt; 2017 Black Friday Deals"].
   * </pre>
   *
   * <code>repeated string page_categories = 23;</code>
   *
   * @return A list containing the pageCategories.
   */
  java.util.List<java.lang.String> getPageCategoriesList();
  /**
   *
   *
   * <pre>
   * The categories associated with a category page. Required for category
   * navigation queries to achieve good search quality. The format should be
   * the same as
   * [UserEvent.page_categories][google.cloud.retail.v2.UserEvent.page_categories];
   * To represent full path of category, use '&gt;' sign to separate different
   * hierarchies. If '&gt;' is part of the category name, replace it with
   * other character(s).
   * Category pages include special pages such as sales or promotions. For
   * instance, a special sale page may have the category hierarchy:
   * "pageCategories" : ["Sales &gt; 2017 Black Friday Deals"].
   * </pre>
   *
   * <code>repeated string page_categories = 23;</code>
   *
   * @return The count of pageCategories.
   */
  int getPageCategoriesCount();
  /**
   *
   *
   * <pre>
   * The categories associated with a category page. Required for category
   * navigation queries to achieve good search quality. The format should be
   * the same as
   * [UserEvent.page_categories][google.cloud.retail.v2.UserEvent.page_categories];
   * To represent full path of category, use '&gt;' sign to separate different
   * hierarchies. If '&gt;' is part of the category name, replace it with
   * other character(s).
   * Category pages include special pages such as sales or promotions. For
   * instance, a special sale page may have the category hierarchy:
   * "pageCategories" : ["Sales &gt; 2017 Black Friday Deals"].
   * </pre>
   *
   * <code>repeated string page_categories = 23;</code>
   *
   * @param index The index of the element to return.
   * @return The pageCategories at the given index.
   */
  java.lang.String getPageCategories(int index);
  /**
   *
   *
   * <pre>
   * The categories associated with a category page. Required for category
   * navigation queries to achieve good search quality. The format should be
   * the same as
   * [UserEvent.page_categories][google.cloud.retail.v2.UserEvent.page_categories];
   * To represent full path of category, use '&gt;' sign to separate different
   * hierarchies. If '&gt;' is part of the category name, replace it with
   * other character(s).
   * Category pages include special pages such as sales or promotions. For
   * instance, a special sale page may have the category hierarchy:
   * "pageCategories" : ["Sales &gt; 2017 Black Friday Deals"].
   * </pre>
   *
   * <code>repeated string page_categories = 23;</code>
   *
   * @param index The index of the value to return.
   * @return The bytes of the pageCategories at the given index.
   */
  com.google.protobuf.ByteString getPageCategoriesBytes(int index);

  /**
   *
   *
   * <pre>
   * The search mode of the search request. If not specified, a single search
   * request triggers both product search and faceted search.
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.SearchMode search_mode = 31;</code>
   *
   * @return The enum numeric value on the wire for searchMode.
   */
  int getSearchModeValue();
  /**
   *
   *
   * <pre>
   * The search mode of the search request. If not specified, a single search
   * request triggers both product search and faceted search.
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.SearchMode search_mode = 31;</code>
   *
   * @return The searchMode.
   */
  com.google.cloud.retail.v2.SearchRequest.SearchMode getSearchMode();

  /**
   *
   *
   * <pre>
   * The specification for personalization.
   * Notice that if both
   * [ServingConfig.personalization_spec][google.cloud.retail.v2.ServingConfig.personalization_spec]
   * and
   * [SearchRequest.personalization_spec][google.cloud.retail.v2.SearchRequest.personalization_spec]
   * are set.
   * [SearchRequest.personalization_spec][google.cloud.retail.v2.SearchRequest.personalization_spec]
   * will override
   * [ServingConfig.personalization_spec][google.cloud.retail.v2.ServingConfig.personalization_spec].
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.PersonalizationSpec personalization_spec = 32;
   * </code>
   *
   * @return Whether the personalizationSpec field is set.
   */
  boolean hasPersonalizationSpec();
  /**
   *
   *
   * <pre>
   * The specification for personalization.
   * Notice that if both
   * [ServingConfig.personalization_spec][google.cloud.retail.v2.ServingConfig.personalization_spec]
   * and
   * [SearchRequest.personalization_spec][google.cloud.retail.v2.SearchRequest.personalization_spec]
   * are set.
   * [SearchRequest.personalization_spec][google.cloud.retail.v2.SearchRequest.personalization_spec]
   * will override
   * [ServingConfig.personalization_spec][google.cloud.retail.v2.ServingConfig.personalization_spec].
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.PersonalizationSpec personalization_spec = 32;
   * </code>
   *
   * @return The personalizationSpec.
   */
  com.google.cloud.retail.v2.SearchRequest.PersonalizationSpec getPersonalizationSpec();
  /**
   *
   *
   * <pre>
   * The specification for personalization.
   * Notice that if both
   * [ServingConfig.personalization_spec][google.cloud.retail.v2.ServingConfig.personalization_spec]
   * and
   * [SearchRequest.personalization_spec][google.cloud.retail.v2.SearchRequest.personalization_spec]
   * are set.
   * [SearchRequest.personalization_spec][google.cloud.retail.v2.SearchRequest.personalization_spec]
   * will override
   * [ServingConfig.personalization_spec][google.cloud.retail.v2.ServingConfig.personalization_spec].
   * </pre>
   *
   * <code>.google.cloud.retail.v2.SearchRequest.PersonalizationSpec personalization_spec = 32;
   * </code>
   */
  com.google.cloud.retail.v2.SearchRequest.PersonalizationSpecOrBuilder
      getPersonalizationSpecOrBuilder();

  /**
   *
   *
   * <pre>
   * The labels applied to a resource must meet the following requirements:
   * * Each resource can have multiple labels, up to a maximum of 64.
   * * Each label must be a key-value pair.
   * * Keys have a minimum length of 1 character and a maximum length of 63
   *   characters and cannot be empty. Values can be empty and have a maximum
   *   length of 63 characters.
   * * Keys and values can contain only lowercase letters, numeric characters,
   *   underscores, and dashes. All characters must use UTF-8 encoding, and
   *   international characters are allowed.
   * * The key portion of a label must be unique. However, you can use the same
   *   key with multiple resources.
   * * Keys must start with a lowercase letter or international character.
   * See [Google Cloud
   * Document](https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements)
   * for more details.
   * </pre>
   *
   * <code>map&lt;string, string&gt; labels = 34;</code>
   */
  int getLabelsCount();
  /**
   *
   *
   * <pre>
   * The labels applied to a resource must meet the following requirements:
   * * Each resource can have multiple labels, up to a maximum of 64.
   * * Each label must be a key-value pair.
   * * Keys have a minimum length of 1 character and a maximum length of 63
   *   characters and cannot be empty. Values can be empty and have a maximum
   *   length of 63 characters.
   * * Keys and values can contain only lowercase letters, numeric characters,
   *   underscores, and dashes. All characters must use UTF-8 encoding, and
   *   international characters are allowed.
   * * The key portion of a label must be unique. However, you can use the same
   *   key with multiple resources.
   * * Keys must start with a lowercase letter or international character.
   * See [Google Cloud
   * Document](https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements)
   * for more details.
   * </pre>
   *
   * <code>map&lt;string, string&gt; labels = 34;</code>
   */
  boolean containsLabels(java.lang.String key);
  /** Use {@link #getLabelsMap()} instead. */
  @java.lang.Deprecated
  java.util.Map<java.lang.String, java.lang.String> getLabels();
  /**
   *
   *
   * <pre>
   * The labels applied to a resource must meet the following requirements:
   * * Each resource can have multiple labels, up to a maximum of 64.
   * * Each label must be a key-value pair.
   * * Keys have a minimum length of 1 character and a maximum length of 63
   *   characters and cannot be empty. Values can be empty and have a maximum
   *   length of 63 characters.
   * * Keys and values can contain only lowercase letters, numeric characters,
   *   underscores, and dashes. All characters must use UTF-8 encoding, and
   *   international characters are allowed.
   * * The key portion of a label must be unique. However, you can use the same
   *   key with multiple resources.
   * * Keys must start with a lowercase letter or international character.
   * See [Google Cloud
   * Document](https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements)
   * for more details.
   * </pre>
   *
   * <code>map&lt;string, string&gt; labels = 34;</code>
   */
  java.util.Map<java.lang.String, java.lang.String> getLabelsMap();
  /**
   *
   *
   * <pre>
   * The labels applied to a resource must meet the following requirements:
   * * Each resource can have multiple labels, up to a maximum of 64.
   * * Each label must be a key-value pair.
   * * Keys have a minimum length of 1 character and a maximum length of 63
   *   characters and cannot be empty. Values can be empty and have a maximum
   *   length of 63 characters.
   * * Keys and values can contain only lowercase letters, numeric characters,
   *   underscores, and dashes. All characters must use UTF-8 encoding, and
   *   international characters are allowed.
   * * The key portion of a label must be unique. However, you can use the same
   *   key with multiple resources.
   * * Keys must start with a lowercase letter or international character.
   * See [Google Cloud
   * Document](https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements)
   * for more details.
   * </pre>
   *
   * <code>map&lt;string, string&gt; labels = 34;</code>
   */
  /* nullable */
  java.lang.String getLabelsOrDefault(
      java.lang.String key,
      /* nullable */
      java.lang.String defaultValue);
  /**
   *
   *
   * <pre>
   * The labels applied to a resource must meet the following requirements:
   * * Each resource can have multiple labels, up to a maximum of 64.
   * * Each label must be a key-value pair.
   * * Keys have a minimum length of 1 character and a maximum length of 63
   *   characters and cannot be empty. Values can be empty and have a maximum
   *   length of 63 characters.
   * * Keys and values can contain only lowercase letters, numeric characters,
   *   underscores, and dashes. All characters must use UTF-8 encoding, and
   *   international characters are allowed.
   * * The key portion of a label must be unique. However, you can use the same
   *   key with multiple resources.
   * * Keys must start with a lowercase letter or international character.
   * See [Google Cloud
   * Document](https://cloud.google.com/resource-manager/docs/creating-managing-labels#requirements)
   * for more details.
   * </pre>
   *
   * <code>map&lt;string, string&gt; labels = 34;</code>
   */
  java.lang.String getLabelsOrThrow(java.lang.String key);

  /**
   *
   *
   * <pre>
   * The spell correction specification that specifies the mode under
   * which spell correction will take effect.
   * </pre>
   *
   * <code>
   * optional .google.cloud.retail.v2.SearchRequest.SpellCorrectionSpec spell_correction_spec = 35;
   * </code>
   *
   * @return Whether the spellCorrectionSpec field is set.
   */
  boolean hasSpellCorrectionSpec();
  /**
   *
   *
   * <pre>
   * The spell correction specification that specifies the mode under
   * which spell correction will take effect.
   * </pre>
   *
   * <code>
   * optional .google.cloud.retail.v2.SearchRequest.SpellCorrectionSpec spell_correction_spec = 35;
   * </code>
   *
   * @return The spellCorrectionSpec.
   */
  com.google.cloud.retail.v2.SearchRequest.SpellCorrectionSpec getSpellCorrectionSpec();
  /**
   *
   *
   * <pre>
   * The spell correction specification that specifies the mode under
   * which spell correction will take effect.
   * </pre>
   *
   * <code>
   * optional .google.cloud.retail.v2.SearchRequest.SpellCorrectionSpec spell_correction_spec = 35;
   * </code>
   */
  com.google.cloud.retail.v2.SearchRequest.SpellCorrectionSpecOrBuilder
      getSpellCorrectionSpecOrBuilder();

  /**
   *
   *
   * <pre>
   * The entity for customers that may run multiple different entities, domains,
   * sites or regions, for example, `Google US`, `Google Ads`, `Waymo`,
   * `google.com`, `youtube.com`, etc.
   * If this is set, it should be exactly matched with
   * [UserEvent.entity][google.cloud.retail.v2.UserEvent.entity] to get search
   * results boosted by entity.
   * </pre>
   *
   * <code>string entity = 38;</code>
   *
   * @return The entity.
   */
  java.lang.String getEntity();
  /**
   *
   *
   * <pre>
   * The entity for customers that may run multiple different entities, domains,
   * sites or regions, for example, `Google US`, `Google Ads`, `Waymo`,
   * `google.com`, `youtube.com`, etc.
   * If this is set, it should be exactly matched with
   * [UserEvent.entity][google.cloud.retail.v2.UserEvent.entity] to get search
   * results boosted by entity.
   * </pre>
   *
   * <code>string entity = 38;</code>
   *
   * @return The bytes for entity.
   */
  com.google.protobuf.ByteString getEntityBytes();
}
