parseInternalAsync( options ) {

			const {
				levels
			} = options;
			const buffers = new Set();

			for ( let i = 0; i < levels.length; i ++ ) {

				buffers.add( levels[ i ].data.buffer );

			}

			return this._createTexture( Array.from( buffers ), { ...options,
				lowLevel: true
			} );

		}
Low-level transcoding API, exposed for use by KTX2Loader.