Required. Only updates the device fields indicated by this
mask. The field mask must not be empty, and it must not
contain fields that are immutable or only set by the server.
Mutable top-level fields: credentials, blocked, and
metadata
[[["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 2024-12-17 UTC."],[],[]]
