github.com/jackc/pgx/v5/pgproto3.NegotiateProtocolVersion.MarshalJSON (method, view implemented interface methods)

one use

	github.com/jackc/pgx/v5/pgproto3 (current package)
		negotiate_protocol_version.go#L68: func (src NegotiateProtocolVersion) MarshalJSON() ([]byte, error) {