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

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

proc getDispatcher(s: PSym): PSym {....raises: [ValueError, IOError, KeyError,
    OSError, Exception], tags: [WriteIOEffect, ReadEnvEffect, ReadIOEffect,
                                RootEffect], forbids: [].}

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

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

proc relevantCol(methods: seq[PSym]; col: int): bool {.
    ...raises: [ValueError, IOError, KeyError, OSError, Exception],
    tags: [WriteIOEffect, ReadEnvEffect, ReadIOEffect, RootEffect], forbids: [].}

proc sortBucket(a: var seq[PSym]; relevantCols: IntSet) {.
    ...raises: [ValueError, IOError, KeyError, OSError, Exception],
    tags: [WriteIOEffect, ReadEnvEffect, ReadIOEffect, RootEffect], forbids: [].}