etcd

var (
	// ErrFSMSnapshotFileCRC is returned when the on-disk CRC32C footer does not
	// match the computed checksum — the .fsm file is corrupt.
	ErrFSMSnapshotFileCRC = errors.New("fsm snapshot: file CRC32C mismatch (file corrupt)")

	// ErrFSMSnapshotTokenCRC is returned when the footer and the token CRC
	// disagree before restore — the metadata is suspect; do not auto-rewrite.
	ErrFSMSnapshotTokenCRC = errors.New("fsm snapshot: token CRC32C mismatch (metadata corrupt)")

	// ErrFSMSnapshotNotFound is returned when the expected .fsm file is absent.
	ErrFSMSnapshotNotFound = errors.New("fsm snapshot: file not found")

	// ErrFSMSnapshotTooSmall is returned when the file is shorter than the
	// minimum valid .fsm size (0 or more bytes payload + 4 bytes CRC footer).
	ErrFSMSnapshotTooSmall = errors.New("fsm snapshot: file too small to contain footer")

	// ErrFSMSnapshotTokenInvalid is returned when the token bytes cannot be
	// decoded (wrong length or magic prefix).
	ErrFSMSnapshotTokenInvalid = errors.New("fsm snapshot: token format invalid")

	// ErrFSMSnapshotTooLarge is returned when the payload exceeds fsmMaxInMemPayload.
	// Callers should switch to the streaming path (openFSMSnapshotPayloadReader).
	ErrFSMSnapshotTooLarge = errors.New("fsm snapshot: payload exceeds maximum in-memory size limit")
)