TPassData = tuple[input: PNode, closeOutput: PNode]

proc clearPasses(g: ModuleGraph) {....raises: [], tags: [].}

proc makePass(open: TPassOpen = nil; process: TPassProcess = nil;
              close: TPassClose = nil; isFrontend = false): TPass {....raises: [],
    tags: [].}

proc moduleHasChanged(graph: ModuleGraph; module: PSym): bool {.inline,
    ...raises: [], tags: [].}

proc processModule(graph: ModuleGraph; module: PSym; idgen: IdGenerator;
                   stream: PLLStream): bool {.discardable, ...raises: [Exception,
    ValueError, KeyError, OSError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect,
    WriteDirEffect].}

proc registerPass(g: ModuleGraph; p: TPass) {....raises: [Exception, ValueError,
    KeyError, OSError, IOError, ERecoverableError], tags: [RootEffect,
    ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect].}

proc skipCodegen(config: ConfigRef; n: PNode): bool {.inline, ...raises: [],
    tags: [].}