import { Filter } from 'pixi.js';
/**
 * OutlineFilter creates outline/stroke effects for text.
 * Replaces default PixiJS stroke option with a custom shader implementation.
 *
 * @example
 * ```js
 * import { OutlineFilter } from './outline-filter';
 *
 * const outlineFilter = new OutlineFilter({
 *   thickness: 2.0,
 *   borderColor: 0x000000
 * });
 * text.filters = [outlineFilter];
 * ```
 */
export declare class OutlineFilter extends Filter {
    constructor(options: {
        thickness?: number;
        borderColor?: number;
    });
    /**
     * The thickness of the outline effect.
     * @default 2.0
     */
    get thickness(): any;
    set thickness(value: any);
}
