Computes an approximate unique count over the input values. When
using raw data as input, be careful to use a consistent encoding.
Otherwise the same value encoded differently could count more than
once, or two distinct values could count as identical. Input: Any,
or omit for Raw State: TBD Special state conversions: Int64 (the
unique count estimate)
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[],[]]