public sealed class QueryExpansionInfo : IMessage<SearchResponse.Types.QueryExpansionInfo>, IEquatable<SearchResponse.Types.QueryExpansionInfo>, IDeepCloneable<SearchResponse.Types.QueryExpansionInfo>, IBufferMessage, IMessage
Information describing query expansion including whether expansion has
occurred.
Number of pinned results. This field will only be set when expansion
happens and
[SearchRequest.QueryExpansionSpec.pin_unexpanded_results][google.cloud.retail.v2.SearchRequest.QueryExpansionSpec.pin_unexpanded_results]
is set to true.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eQueryExpansionInfo\u003c/code\u003e class provides details on whether query expansion has occurred during a search.\u003c/p\u003e\n"],["\u003cp\u003eThis class is part of the \u003ccode\u003eGoogle.Cloud.Retail.V2\u003c/code\u003e namespace and is available in the \u003ccode\u003eGoogle.Cloud.Retail.V2.dll\u003c/code\u003e assembly, supporting versions from 1.0.0 up to the latest, 2.12.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eQueryExpansionInfo\u003c/code\u003e implements multiple interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eExpandedQuery\u003c/code\u003e property indicates if query expansion took place, while the \u003ccode\u003ePinnedResultCount\u003c/code\u003e property specifies the number of pinned results when expansion is active and \u003ccode\u003epin_unexpanded_results\u003c/code\u003e is true.\u003c/p\u003e\n"],["\u003cp\u003eThere are 2 constructors for \u003ccode\u003eQueryExpansionInfo\u003c/code\u003e, one default and one taking an existing \u003ccode\u003eSearchResponse.Types.QueryExpansionInfo\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]