proc asBool(s: string): bool {....raises: [], tags: [], forbids: [].}

proc parseParams(): tuple[kws: Table[string, string], args: seq[string],
                          envs: Table[string, string]] {....raises: [],
    tags: [ReadIOEffect], forbids: [].}

macro getStrOfIdent(ident: untyped): string

template isTopLevel(): bool

template suppress(exception: typedesc[Exception]; code: untyped)