import { Rgb } from '../pixel';
export declare namespace Operation {
    const DEFAULT: {
        blackAndWhite: {
            ratio: [number, number, number];
        };
        rgb: {
            max: number;
            min: number;
        };
    };
    const lookup: (lut: Record<number, number>) => (pixel: Rgb) => Rgb;
    const hue: (value: number) => (pixel: Rgb) => Rgb;
    const sepia: (value: number) => (pixel: Rgb) => Rgb;
    const gamma: (value: number) => (pixel: Rgb) => Rgb;
    const noise: (value: number) => (pixel: Rgb) => Rgb;
    const vibrance: (value: number) => (pixel: Rgb) => Rgb;
    const invert: () => (pixel: Rgb) => Rgb;
    const tint: (color: string) => (pixel: Rgb) => Rgb;
    const fill: (color: string) => () => Rgb;
    const blackAndWhite: ([rRatio, gRatio, bRatio]?: [number, number, number]) => (pixel: Rgb) => Rgb;
    const contrast: (value: number) => (pixel: Rgb) => Rgb;
    const brightness: (value: number) => (pixel: Rgb) => Rgb;
    const saturation: (value: number) => (pixel: Rgb) => Rgb;
}