proc opSlurp(file: string; info: TLineInfo; module: PSym; conf: ConfigRef): string {...}{.raises: [
    OSError, KeyError, Exception, ValueError, IOError, ERecoverableError], tags: [
    ReadDirEffect, ReadIOEffect, RootEffect, WriteIOEffect, ReadEnvEffect].}

proc opMapTypeToAst(cache: IdentCache; t: PType; info: TLineInfo): PNode {...}{.
    raises: [Exception], tags: [RootEffect].}

proc opMapTypeInstToAst(cache: IdentCache; t: PType; info: TLineInfo): PNode {...}{.
    raises: [Exception], tags: [RootEffect].}

proc opMapTypeImplToAst(cache: IdentCache; t: PType; info: TLineInfo): PNode {...}{.
    raises: [Exception], tags: [RootEffect].}