src/sap.m/src/sap/m/TileContainer.js
function handleAriaSize (aVisibleTiles) {
		var iTilesCount,
			i,
			oTile;

		aVisibleTiles = aVisibleTiles || this._getVisibleTiles();
		iTilesCount = aVisibleTiles.length;

		for (i = 0; i < iTilesCount; i++) {
			oTile = aVisibleTiles[i];
			if (oTile._rendered && oTile.getDomRef()) {
				oTile.getDomRef().setAttribute("aria-setsize", iTilesCount);
			}
		}
	}
function handleAriaSize (aVisibleTiles) {
		var iTilesCount,
			i,
			oTile;

		aVisibleTiles = aVisibleTiles || this._getVisibleTiles();
		iTilesCount = aVisibleTiles.length;

		for (i = 0; i < iTilesCount; i++) {
			oTile = aVisibleTiles[i];
			if (oTile._rendered && oTile.getDomRef()) {
				oTile.getDomRef().setAttribute("aria-setsize", iTilesCount);
			}
		}
	}
function handleAriaSize ( aVisibleTiles ) { var iTilesCount , i , oTile ; aVisibleTiles = aVisibleTiles || this . _getVisibleTiles ( ) ; iTilesCount = aVisibleTiles . length ; for ( i = 0 ; i < iTilesCount ; i ++ ) { oTile = aVisibleTiles [ i ] ; if ( oTile . _rendered && oTile . getDomRef ( ) ) { oTile . getDomRef ( ) . setAttribute ( "aria-setsize" , iTilesCount ) ; } } }
Handles the WAI ARIA property aria-setsize after a change in the TileContainer.

@private
Handles the WAI ARIA property aria - setsize after a change in the TileContainer .