proc generateIfMethodDispatchers(g: ModuleGraph; idgen: IdGenerator) {.
    ...raises: [Exception, KeyError, ValueError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

proc genIfDispatcher(g: ModuleGraph; methods: seq[PSym]; relevantCols: IntSet;
                     idgen: IdGenerator): PSym {.
    ...raises: [KeyError, Exception, ValueError, IOError, ERecoverableError], tags: [
    ReadDirEffect, RootEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

proc getDispatcher(s: PSym): PSym {....raises: [], tags: [], forbids: [].}

proc methodCall(n: PNode; conf: ConfigRef): PNode {.
    ...raises: [Exception, ValueError, KeyError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

proc methodDef(g: ModuleGraph; idgen: IdGenerator; s: PSym) {.
    ...raises: [Exception, ValueError, KeyError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

proc relevantCol(methods: seq[PSym]; col: int): bool {....raises: [Exception],
    tags: [RootEffect], forbids: [].}

proc sortBucket(a: var seq[PSym]; relevantCols: IntSet) {....raises: [Exception],
    tags: [RootEffect], forbids: [].}