Stereoselective domino assembling of five molecules: one-pot approach to $(2^{\prime }R,3S,4^{\prime }R)$-$2^{\prime },4^{\prime }$-diaryl-$1^{\prime },4^{\prime }$-dihydro-$2^{\prime }H $-spiro[indoline-$3,3^{\prime }$-pyridines]