/// <reference types="react" />
import { BrightnessContrastEffect } from 'postprocessing';
export declare const BrightnessContrast: import("react").ForwardRefExoticComponent<Omit<import("@react-three/fiber").ExtendedColors<import("@react-three/fiber").Overwrite<Partial<BrightnessContrastEffect>, import("@react-three/fiber").NodeProps<BrightnessContrastEffect, typeof BrightnessContrastEffect>>> & {
    blendFunction?: import("postprocessing").BlendFunction | undefined;
    brightness?: number | undefined;
    contrast?: number | undefined;
} & {
    blendFunction?: import("postprocessing").BlendFunction | undefined;
    opacity?: number | undefined;
}, "ref"> & import("react").RefAttributes<typeof BrightnessContrastEffect>>;