_withHighlightedSlot(slot) {
        return new DisplayedCircuit(
            this.top,
            this.circuitDefinition,
            this._compressedColumnIndex,
            slot,
            this._extraWireStartIndex);
    }
@param {undefined|!{col: undefined|!int, row: undefined|!int, resizeStyle: !boolean}} slot
@returns {!DisplayedCircuit}
@private