import { type AttributeReactiveClass } from '../../element-reactive/index.js';
import type { ScrollView } from './ScrollView.js';
export declare class FadeEdgeLengthAttribute implements InstanceType<AttributeReactiveClass<typeof ScrollView>> {
    #private;
    static observedAttributes: string[];
    static observedCSSProperties: string[];
    constructor(dom: ScrollView);
    _handleFadingEdgeLength: (this: void, newVal: string | null) => void;
    _backgroundColorToVariable(backGroundColor: string | null): void;
    connectedCallback?(): void;
    dispose(): void;
}