/**
 * @license
 * Copyright 2025 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import type { GpuImage, GpuImageBackend } from "./gpuImage";
export type FilterOpFn<P = unknown> = (image: GpuImage, params: P) => GpuImage;
export declare function registerFilterOp<P>(backend: GpuImageBackend, filter: string, fn: FilterOpFn<P>): void;
export declare function applyFilter<P>(image: GpuImage, filter: string, params: P): GpuImage;
export declare function hasFilterOp(backend: GpuImageBackend, filter: string): boolean;
/** @internal — test affordance only. */
export declare function _resetFilterRegistryForTests(): void;
//# sourceMappingURL=filterRegistry.d.ts.map