proc caseObjDefaultBranch(obj: PNode; branch: Int128): int {....raises: [],
    tags: [], forbids: [].}

proc expandDefault(t: PType; info: TLineInfo): PNode {.
    ...raises: [Exception, ValueError, KeyError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}