proc includeModule(graph: ModuleGraph; s: PSym; fileIdx: FileIndex): PNode {....raises: [
    Exception, ValueError, KeyError, OSError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect].}

proc reorder(graph: ModuleGraph; n: PNode; module: PSym): PNode {....raises: [
    OSError, Exception, ValueError, KeyError, IOError, ERecoverableError], tags: [
    ReadEnvEffect, ReadIOEffect, RootEffect, ReadDirEffect, WriteIOEffect].}