get assetIndex() {
		if (this.__parent && !this.__assetIndex)
			return this.__parent.assetIndex;
		return this.__assetIndex;
	}
/**
	 * Get the asset index manifest
	 *
	 * @return {AssetIndexManifest}
	 */
Get the asset index manifest
@return {AssetIndexManifest}
Get the asset index manifest @return { AssetIndexManifest }
get assetIndex() {
		if (this.__parent && !this.__assetIndex)
			return this.__parent.assetIndex;
		return this.__assetIndex;
	}
get assetIndex ( ) { if ( this . __parent && ! this . __assetIndex ) return this . __parent . assetIndex ; return this . __assetIndex ; }
Get the asset index manifest
 @return {AssetIndexManifest}
Get the asset index manifest @return { AssetIndexManifest }