Values:
MERGE_BEHAVIOR_UNSPECIFIED (0):
Not specified. APPEND will be used.
APPEND (1):
messages will be appended to the list of messages
waiting to be sent to the user.
REPLACE (2):
messages will replace the list of messages waiting to be
sent to the user.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2026-06-26 UTC."],[],[]]
