public sealed class PreconditionFailure : IMessage<PreconditionFailure>, IEquatable<PreconditionFailure>, IDeepCloneable<PreconditionFailure>, IBufferMessage, IMessage
Describes what preconditions have failed.
For example, if an RPC failed because it required the Terms of Service to be
acknowledged, it could list the terms of service violation in the
PreconditionFailure message.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[],[]]