/**
 * PostProcessStack.ts
 *
 * Ordered post-processing effect chain: add/remove effects,
 * enable/disable, priority ordering, and blend weights.
 *
 * @module rendering
 */
export interface PostProcessEffect {
    id: string;
    name: string;
    priority: number;
    enabled: boolean;
    weight: number;
    params: Map<string, number>;
    process: (input: Float32Array, width: number, height: number) => Float32Array;
}
export declare class PostProcessStack {
    private effects;
    private sortedCache;
    private dirty;
    private enabled;
    addEffect(name: string, priority: number, process: PostProcessEffect['process'], params?: Record<string, number>): PostProcessEffect;
    removeEffect(id: string): boolean;
    setEnabled(id: string, enabled: boolean): void;
    setGlobalEnabled(enabled: boolean): void;
    isGlobalEnabled(): boolean;
    setWeight(id: string, weight: number): void;
    process(input: Float32Array, width: number, height: number): Float32Array;
    private getSorted;
    reorder(id: string, newPriority: number): void;
    getEffect(id: string): PostProcessEffect | undefined;
    getEffectCount(): number;
    getActiveCount(): number;
    getEffectNames(): string[];
    setParam(id: string, param: string, value: number): void;
    getParam(id: string, param: string): number | undefined;
}
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