Whether an unknown wire value is one ChannelConfigMove — a fact this contract names, a
snapshot field a config carries, and scalar sides when present. A narrowing for the seam a
client reads the preview through (its own row, or the preview a CONFIRM_REQUIRED refusal
carries), so no reader needs a cast.
Whether an unknown wire value is one ChannelConfigMove — a fact this contract names, a snapshot field a config carries, and scalar sides when present. A narrowing for the seam a client reads the preview through (its own row, or the
previewaCONFIRM_REQUIREDrefusal carries), so no reader needs a cast.