proc spawnResult(t: PType; inParallel: bool): TSpawnResult {.
    ...raises: [Exception, ValueError, IOError, KeyError, OSError],
    tags: [RootEffect, WriteIOEffect, ReadEnvEffect, ReadIOEffect], forbids: [].}

proc wrapProcForSpawn(g: ModuleGraph; idgen: IdGenerator; owner: PSym;
                      spawnExpr: PNode; retType: PType; barrier: PNode = nil;
                      dest: PNode = nil): PNode {....raises: [Exception,
    ValueError, IOError, KeyError, OSError, ERecoverableError], tags: [
    RootEffect, WriteIOEffect, ReadEnvEffect, ReadIOEffect, ReadDirEffect],
    forbids: [].}