getOptionsDefault = function(iColumns, oOptions, iContainers, iIndex, bMaxContainer) {
			if (iContainers < iColumns) {
				// if there are less containers than columns and there is a column left
				// the largest container gets this extra column
				oOptions.Size = Math.floor(iColumns / iContainers);
				if (bMaxContainer && oOptions.Size * iContainers < iColumns) {
					oOptions.Size = oOptions.Size + iColumns - oOptions.Size * iContainers;
				}
			}
			// line-break only needed if more than one column
			oOptions.Break = iColumns > 1 && iIndex > 0 && (iIndex % iColumns) === 0;
			oOptions.FirstRow = iContainers > 1 && iIndex < iColumns;
		}
Calculates the size and the line breaks for a <code>FormContainer</code> element.
This is needed for the rendering.

@param {sap.ui.layout.form.FormContainer} oContainer <code>FormContainer</code>
@return {object} An object containing the size, the line-break and the first row information for the different sizes
@private