/** @format */
import { PvrColorRgbCore } from './pvr-color-rgb-core.js';
/**
 * Represents an RGBA color.
 */
export declare class PvrColorRgba implements PvrColorRgbCore<PvrColorRgba> {
    /**
     * Red component of the color.
     */
    private _r;
    /**
     * Gets the red component of the color.
     */
    get r(): number;
    /**
     * Green component of the color.
     */
    private _g;
    /**
     * Gets the green component of the color.
     */
    get g(): number;
    /**
     * Blue component of the color.
     */
    private _b;
    /**
     * Gets the blue component of the color.
     */
    get b(): number;
    /**
     * Alpha component of the color.
     */
    private _a;
    /**
     * Gets the alpha component of the color.
     */
    get a(): number;
    /**
     * Initializes a new instance of the PvrColorRgba class.
     * @param {number} r - Red component of the color.
     * @param {number} g - Green component of the color.
     * @param {number} b - Blue component of the color.
     * @param {number} a - Alpha component of the color.
     */
    constructor(r?: number, g?: number, b?: number, a?: number);
    /**
     * Creates a new PvrColorRgba instance from another instance.
     * @param {PvrColorRgba} other - The other PvrColorRgba instance.
     * @returns {PvrColorRgba} A new PvrColorRgba instance.
     */
    static from(other: PvrColorRgba): PvrColorRgba;
    /**
     * Creates a copy of the current PvrColorRgba instance.
     * @returns {PvrColorRgba} A new PvrColorRgba instance.
     */
    copy(): PvrColorRgba;
    /**
     * Sets the minimum values for each color component.
     * @param {PvrColorRgba} c - The PvrColorRgba instance to compare with.
     */
    setMin(c: PvrColorRgba): void;
    /**
     * Sets the maximum values for each color component.
     * @param {PvrColorRgba} c - The PvrColorRgba instance to compare with.
     */
    setMax(c: PvrColorRgba): void;
    /**
     * Multiplies each color component by a given factor.
     * @param {number} x - The factor to multiply by.
     * @returns {PvrColorRgba} A new PvrColorRgba instance with multiplied components.
     */
    mul(x: number): PvrColorRgba;
    /**
     * Adds the color components of another PvrColorRgba instance.
     * @param {PvrColorRgba} x - The PvrColorRgba instance to add.
     * @returns {PvrColorRgba} A new PvrColorRgba instance with added components.
     */
    add(x: PvrColorRgba): PvrColorRgba;
    /**
     * Subtracts the color components of another PvrColorRgba instance.
     * @param {PvrColorRgba} x - The PvrColorRgba instance to subtract.
     * @returns {PvrColorRgba} A new PvrColorRgba instance with subtracted components.
     */
    sub(x: PvrColorRgba): PvrColorRgba;
    /**
     * Calculates the dot product of the current instance and another PvrColorRgba instance.
     * @param {PvrColorRgba} x - The PvrColorRgba instance to calculate the dot product with.
     * @returns {number} The dot product of the two instances.
     */
    dotProd(x: PvrColorRgba): number;
}