/**
 * A WebGL implementation of the RenderTarget.
 *
 * @ignore
 */
export class WebglRenderTarget {
    _glFrameBuffer: any;
    _glDepthBuffer: any;
    _glResolveFrameBuffer: any;
    /**
     * A list of framebuffers created When MSAA and MRT are used together, one for each color buffer.
     * This allows color buffers to be resolved separately.
     *
     * @type {FramebufferPair[]}
     */
    colorMrtFramebuffers: FramebufferPair[];
    _glMsaaColorBuffers: any[];
    _glMsaaDepthBuffer: any;
    /**
     * The supplied single-sampled framebuffer for rendering. Undefined represents no supplied
     * framebuffer. Null represents the default framebuffer. A value represents a user-supplied
     * framebuffer.
     */
    suppliedColorFramebuffer: any;
    _isInitialized: boolean;
    destroy(device: any): void;
    get initialized(): boolean;
    init(device: any, target: any): void;
    _createMsaaMrtFramebuffers(device: any, target: any, colorBufferCount: any): void;
    /**
     * Checks the completeness status of the currently bound WebGLFramebuffer object.
     *
     * @private
     */
    private _checkFbo;
    loseContext(): void;
    internalResolve(device: any, src: any, dst: any, target: any, mask: any): void;
    resolve(device: any, target: any, color: any, depth: any): void;
}
/**
 * A private class representing a pair of framebuffers, when MSAA is used.
 *
 * @ignore
 */
declare class FramebufferPair {
    constructor(msaaFB: any, resolveFB: any);
    /** Multi-sampled rendering framebuffer */
    msaaFB: any;
    /** Single-sampled resolve framebuffer */
    resolveFB: any;
    destroy(gl: any): void;
}
export {};