docs: public Map<String, INDArray> feedForward(boolean train,int layerTillIndex) {
          int graphVertexIndexOfLayer = layers[layerTillIndex].getIndex();
          try{
              return ffToLayerActivationsDetached(train, FwdPassType.STANDARD, false, graphVertexIndexOfLayer,
                  null, inputs, inputMaskArrays, labelMaskArrays, true);
          } catch (OutOfMemoryError e){
              CrashReportingUtil.writeMemoryCrashDump(this, e);
              throw e;
          }
      }