import MaterialProperty from "../../MaterialProperty";
/**
 * 流动线材质
 * @noInheritDoc
 * @example
 * ```ts
 * let material = new BC.PolylineFlowMaterialProperty({
 *   color: BC.Color.WHITE,
 * })
 * ```
 */
declare class PolylineFlowMaterialProperty extends MaterialProperty {
    private _percent;
    private _percentSubscription;
    private _gradient;
    private _gradientSubscription;
    /**
     * 颜色
     * @defaultValue BC.Color.fromBytes(0, 255, 255, 255)
     */
    color: Cesium.Color;
    /**
     * 速度
     * @defaultValue 1
     */
    speed: number;
    /**
     * 比例
     */
    percent: number;
    /**
     * 透明程度
     */
    gradient: number;
    constructor(options?: {
        /**
         * 颜色
         * @defaultValue BC.Color.fromBytes(0, 255, 255, 255)
         */
        color: Cesium.Color;
        /**
         * 速度
         * @defaultValue 1
         */
        speed: number;
        /**
         * 比例
         */
        percent: number;
        /**
         * 透明程度
         */
        gradient: number;
    });
    /**
     * @internal
     */
    getType(time: any): string;
    /**
     * @internal
     */
    getValue(time: any, result: any): any;
    /**
     * @internal
     */
    equals(other: any): any;
}
export default PolylineFlowMaterialProperty;