proc boolLit(g: ModuleGraph; info: TLineInfo; value: bool): PNode {....raises: [
    KeyError, Exception, ValueError, OSError, IOError, ERecoverableError], tags: [
    ReadDirEffect, RootEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

proc createTypeBoundOps(g: ModuleGraph; c: PContext; orig: PType;
                        info: TLineInfo; idgen: IdGenerator) {....raises: [OSError,
    Exception, KeyError, ValueError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

proc cyclicType(g: ModuleGraph; t: PType): bool {....raises: [Exception, KeyError],
    tags: [RootEffect, ReadDirEffect], forbids: [].}

proc genBuiltin(g: ModuleGraph; idgen: IdGenerator; magic: TMagic; name: string;
                i: PNode): PNode {....raises: [], tags: [], forbids: [].}

proc isTrival(s: PSym): bool {.inline, ...raises: [], tags: [], forbids: [].}

proc produceDestructorForDiscriminator(g: ModuleGraph; typ: PType; field: PSym;
                                       info: TLineInfo; idgen: IdGenerator): PSym {....raises: [
    Exception, KeyError, ValueError, OSError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

template asink(t: PType): PSym

template assignment(t: PType): PSym

template destructor(t: PType): PSym

template dup(t: PType): PSym

template liftTypeBoundOps(c: PContext; typ: PType; info: TLineInfo)