drop valueWrapper method for Index as never used
drop valueWrapper method for Index as never used

istrel/basisjs,fateevv/basisjs,basisjs/basisjs,tyanas/basisjs,istrel/basisjs,smelukov/basisjs,smelukov/basisjs,tyanas/basisjs,basisjs/basisjs,fateevv/basisjs,istrel/basisjs,basisjs/basisjs,tyanas/basisjs,fateevv/basisjs,smelukov/basisjs