import { Instance } from "../instance-provider/instance";
import { ILayerProps, Layer } from "./layer";
import { Surface } from "./surface";
export declare type CommandCallback = (surface: Surface) => void;
export interface ICommandLayerProps<T extends Instance> extends ILayerProps<T> {
    commands: CommandCallback;
}
/**
 * This is a layer that lets you inject commands into the pipeline. Most
 * commands are from the Surface.commands property that you will need, but this
 * opens up the opportunity to make any GL related commands as well.
 *
 * Custom GL is VERY ADVANCED useage. You should stick to using Surface.commands
 * AND read the documentation on those commands.
 */
export declare class CommandLayer<T extends Instance, U extends ICommandLayerProps<T>> extends Layer<T, U> {
    static defaultProps: ICommandLayerProps<Instance>;
    draw(): void;
    /** The layer renders nothing, thus does not need a shader object */
    initShader(): null;
}