Returns chunks in the search result. Only available if the
[DocumentProcessingConfig.chunking_config][google.cloud.discoveryengine.v1.DocumentProcessingConfig.chunking_config]
is specified.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-10-01 UTC."],[],[],null,[]]