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

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