customSave() {
        const data = {
            constructorParamaters: [this.direction, this.bitWidth],
            nodes: {
                inp1: findNode(this.inp1),
                inp2: findNode(this.inp2),
                output: findNode(this.output),
                carryOut: findNode(this.carryOut),
                controlSignalInput: findNode(this.controlSignalInput),
            },
        };
        return data;
    }
@memberof ALU
fn to create save Json Data of object
@return {JSON}