usebitflags::bitflags;bitflags!{/// ttRPC frame flags. Undefined bits are reserved by the spec; like the Go
/// implementation (containerd/ttrpc server.go/client.go, which only ever test
/// individual bits with `&`), we ignore unknown bits instead of rejecting them.
#[derive(Clone, Debug, Copy)]pubstructFlags: u8 {
const REMOTE_CLOSED = 0x01;
const REMOTE_OPEN = 0x02;
const NO_DATA = 0x04;
}}