/** @format */
import { ColorUint8 } from '../../color/color-uint8.js';
import { PaletteUint8 } from '../../image/palette-uint8.js';
/**
 * Class representing a GIF color map.
 */
export declare class GifColorMap {
    /**
     * Number of colors in the color map.
     */
    private readonly _numColors;
    /**
     * Gets the number of colors.
     * @returns {number} The number of colors.
     */
    get numColors(): number;
    /**
     * The palette used in the color map.
     */
    private readonly _palette;
    /**
     * Gets the palette.
     * @returns {PaletteUint8} The palette.
     */
    get palette(): PaletteUint8;
    /**
     * Bits per pixel.
     */
    private _bitsPerPixel;
    /**
     * Gets the bits per pixel.
     * @returns {number} The bits per pixel.
     */
    get bitsPerPixel(): number;
    /**
     * Transparent color index.
     */
    private _transparent?;
    /**
     * Sets the transparent color index.
     * @param {number | undefined} v - The transparent color index.
     */
    set transparent(v: number | undefined);
    /**
     * Gets the transparent color index.
     * @returns {number | undefined} The transparent color index.
     */
    get transparent(): number | undefined;
    /**
     * Creates an instance of GifColorMap.
     * @param {number} numColors - The number of colors.
     * @param {PaletteUint8} [palette] - The palette.
     */
    constructor(numColors: number, palette?: PaletteUint8);
    /**
     * Calculates the bit size required for the given number of colors.
     * @param {number} n - The number of colors.
     * @returns {number} The bit size.
     */
    private static bitSize;
    /**
     * Creates a new GifColorMap from an existing one.
     * @param {GifColorMap} other - The existing GifColorMap.
     * @returns {GifColorMap} The new GifColorMap.
     */
    static from(other: GifColorMap): GifColorMap;
    /**
     * Gets the color at the specified index.
     * @param {number} index - The index.
     * @returns {ColorUint8} The color.
     */
    getColor(index: number): ColorUint8;
    /**
     * Sets the color at the specified index.
     * @param {number} index - The index.
     * @param {number} r - The red component.
     * @param {number} g - The green component.
     * @param {number} b - The blue component.
     */
    setColor(index: number, r: number, g: number, b: number): void;
    /**
     * Finds the closest color index for the given RGBA values.
     * @param {number} r - The red component.
     * @param {number} g - The green component.
     * @param {number} b - The blue component.
     * @param {number} a - The alpha component.
     * @returns {number} The closest color index.
     */
    findColor(r: number, g: number, b: number, a: number): number;
    /**
     * Gets the red component of the color at the specified index.
     * @param {number} color - The color index.
     * @returns {number} The red component.
     */
    getRed(color: number): number;
    /**
     * Gets the green component of the color at the specified index.
     * @param {number} color - The color index.
     * @returns {number} The green component.
     */
    getGreen(color: number): number;
    /**
     * Gets the blue component of the color at the specified index.
     * @param {number} color - The color index.
     * @returns {number} The blue component.
     */
    getBlue(color: number): number;
    /**
     * Gets the alpha component of the color at the specified index.
     * @param {number} color - The color index.
     * @returns {number} The alpha component.
     */
    getAlpha(color: number): number;
    /**
     * Gets the palette with RGBA values.
     * @returns {PaletteUint8} The palette with RGBA values.
     */
    getPalette(): PaletteUint8;
}