函数 createDefaultProps

返回 {
    allowPicking: boolean;
    arcType: OlArcType;
    color: ReactiveVariable<[number, number, number, number]>;
    dashLength: number;
    dashPattern: number;
    depthTest: boolean;
    gapColor: ReactiveVariable<[number, number, number, number]>;
    hasArrow: boolean;
    hasDash: boolean;
    loop: boolean;
    positions: ReactiveVariable<undefined | [number, number, number][]>;
    show: boolean;
    width: number;
    zIndex: number;
}