/**
 * A synchronization semaphore which can be used to synchronize multiple [Thread]s. Initialized to zero on creation. Be careful to avoid deadlocks. For a binary version, see [Mutex].
 *
*/
declare class Semaphore extends Reference  {

  
/**
 * A synchronization semaphore which can be used to synchronize multiple [Thread]s. Initialized to zero on creation. Be careful to avoid deadlocks. For a binary version, see [Mutex].
 *
*/
  new(): Semaphore; 
  static "new"(): Semaphore 



/** Lowers the [Semaphore], allowing one more thread in. Returns [constant OK] on success, [constant ERR_BUSY] otherwise. */
post(): int;

/** Tries to wait for the [Semaphore], if its value is zero, blocks until non-zero. Returns [constant OK] on success, [constant ERR_BUSY] otherwise. */
wait(): int;

  connect<T extends SignalsOf<Semaphore>>(signal: T, method: SignalFunction<Semaphore[T]>): number;






}