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

proc sortVTableDispatchers(g: ModuleGraph) {.
    ...raises: [KeyError, OSError, IOError, Exception, ValueError],
    tags: [RootEffect, ReadEnvEffect, ReadIOEffect, ReadDirEffect], forbids: [].}