function reverse(iFirst, iLast) {
			while (iFirst < iLast) {
				const vSwap = aElements[iFirst];
				aElements[iFirst] = aElements[iLast];
				aElements[iLast] = vSwap;
				iFirst += 1;
				iLast -= 1;
			}
		}
Moves the given number of elements from the given old to the given new position within this
cache's collection.

@param {number} iOldFrom - Old position before the move
@param {number} iNewTo - New position after the move
@param {number} iCount - Number of elements to move

@protected