import type { Composition } from '../player/Composition';
import type { FilterDefine, FilterShaderDefine } from '../render/filter';
import type { FixedNumberExpression } from '@predy-js/specification';
interface DistortionFilterParams {
    center?: [x: number, y: number];
    direction?: [x: number, y: number];
    period: FixedNumberExpression;
    waveMovement: FixedNumberExpression;
    strength: FixedNumberExpression;
}
declare const _default: (typeof registerDistortionFilter | typeof precompileDistortion)[];
export default _default;
export declare function precompileDistortion(renderer: any, filter: DistortionFilterParams): FilterShaderDefine[];
export declare function registerDistortionFilter(comp: Composition, filter: DistortionFilterParams): FilterDefine;