import { BlendFunction, Effect } from "postprocessing";
export type WaterEffectOptions = {
    blendFunction?: BlendFunction;
    factor?: number;
};
export declare class WaterEffect extends Effect {
    state: Required<WaterEffectOptions>;
    constructor({ blendFunction, factor }?: {
        blendFunction?: BlendFunction | undefined;
        factor?: number | undefined;
    });
    private updateUniform;
    updateUniforms(): void;
    updateState(state: WaterEffectOptions): void;
}