SizeRequirements.calculateAlignedPositions(targetSpan, null, childReqs,
SizeRequirements total = baselineRequirements(axis, null); SizeRequirements.calculateAlignedPositions(targetSpan, total, childReqs,
  protected void layoutMinorAxis(int targetSpan, int axis, int[] offsets,                                 int[] spans)  {    SizeRequirements[] childReqs = getChildRequirements(axis);    // Calculate the spans and offsets using the SizeRequirements uility    // methods.    SizeRequirements.calculateAlignedPositions(targetSpan, null, childReqs,                                               offsets, spans);    validateLayout(axis);  }