proc `=copy`(dest: var RwLock; source: RwLock) {.error.}

proc `=destroy`(rw: var RwLock) {....raises: [], tags: [], forbids: [].}

proc `=sink`(dest: var RwLock; source: RwLock) {.error.}

proc beginRead(rw: var RwLock) {....raises: [], tags: [], forbids: [].}

proc beginWrite(rw: var RwLock) {....raises: [], tags: [], forbids: [].}

proc endRead(rw: var RwLock) {....raises: [], tags: [], forbids: [].}

proc endWrite(rw: var RwLock) {....raises: [], tags: [], forbids: [].}

proc init(rw: out RwLock) {....raises: [], tags: [], forbids: [].}

template readWith(a: RwLock; body: untyped)

template writeWith(a: RwLock; body: untyped)