/**
 * Options of the `camera` component accepted by {@link CameraComponentSystem} that differ from the
 * properties of {@link CameraComponent}. Each replaces the same-named property of the options that
 * {@link Entity#addComponent} derives from the component class; see
 * {@link ComponentOptionsOverrides}.
 */
export type CameraComponentOptionsOverrides = {
    /**
     * - Same as
     * {@link CameraComponent#calculateProjection}.
     */
    calculateProjection?: CalculateMatrixCallback;
    /**
     * - Same as
     * {@link CameraComponent#calculateTransform}.
     */
    calculateTransform?: CalculateMatrixCallback;
    /**
     * - Same as {@link CameraComponent#clearColor}, also
     * accepting an `[r, g, b, a]` array.
     */
    clearColor?: Color | number[];
    /**
     * - Same as
     * {@link CameraComponent#projectionOffset}, also accepting an `[x, y]` array.
     */
    projectionOffset?: Vec2 | number[];
    /**
     * - Same as {@link CameraComponent#rect}, also accepting an `[x,
     * y, w, h]` array.
     */
    rect?: Vec4 | number[];
    /**
     * - Same as {@link CameraComponent#scissorRect}, also
     * accepting an `[x, y, w, h]` array.
     */
    scissorRect?: Vec4 | number[];
};
/**
 * Used to add and remove {@link CameraComponent}s from Entities. It also holds an array of all
 * active cameras.
 *
 * @category Graphics
 */
export class CameraComponentSystem extends ComponentSystem {
    /**
     * Holds all the active camera components.
     *
     * @type {CameraComponent[]}
     */
    cameras: CameraComponent[];
    id: string;
    ComponentType: typeof CameraComponent;
    initializeComponentData(component: any, data: any): void;
    cloneComponent(entity: any, clone: any): import("../component.js").Component;
    onBeforeRemove(entity: any, component: any): void;
    onAppPrerender(): void;
    addCamera(camera: any): void;
    removeCamera(camera: any): void;
}
import type { CalculateMatrixCallback } from './component.js';
import { Color } from '../../../core/math/color.js';
import { Vec2 } from '../../../core/math/vec2.js';
import { Vec4 } from '../../../core/math/vec4.js';
import { ComponentSystem } from '../system.js';
import { CameraComponent } from './component.js';