import { LightPickerBase } from './LightPickerBase';
/**
 * StaticLightPicker is a light picker that provides a static set of lights. The lights can be reassigned, but
 * if the configuration changes (number of directional lights, point lights, etc), a material recompilation may
 * occur.
 */
export declare class StaticLightPicker extends LightPickerBase {
    private _lights;
    private _onCastShadowChangeDelegate;
    /**
     * Creates a new StaticLightPicker object.
     * @param lights The lights to be used for shading.
     */
    constructor(lights: any);
    /**
     * The lights used for shading.
     */
    get lights(): Array<any>;
    set lights(value: Array<any>);
    /**
     * Remove configuration change listeners on the lights.
     */
    private clearListeners;
    /**
     * Notifies the material of a configuration change.
     */
    private onCastShadowChange;
    /**
     * Called when a directional light's shadow casting configuration changes.
     */
    private updateDirectionalCasting;
    /**
     * Called when a point light's shadow casting configuration changes.
     */
    private updatePointCasting;
}
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