import type { Camera } from "../../../Cameras/camera.js";
import { PostProcessRenderPipeline } from "../../../PostProcesses/RenderPipeline/postProcessRenderPipeline.js";
import type { Scene } from "../../../scene.js";
import "../../../PostProcesses/RenderPipeline/postProcessRenderPipelineManagerSceneComponent.js";
import "../../../Shaders/ssao.fragment.js";
import "../../../Shaders/ssaoCombine.fragment.js";
/**
 * Render pipeline to produce ssao effect
 */
export declare class SSAORenderingPipeline extends PostProcessRenderPipeline {
    /**
     * @ignore
     * The PassPostProcess id in the pipeline that contains the original scene color
     */
    SSAOOriginalSceneColorEffect: string;
    /**
     * @ignore
     * The SSAO PostProcess id in the pipeline
     */
    SSAORenderEffect: string;
    /**
     * @ignore
     * The horizontal blur PostProcess id in the pipeline
     */
    SSAOBlurHRenderEffect: string;
    /**
     * @ignore
     * The vertical blur PostProcess id in the pipeline
     */
    SSAOBlurVRenderEffect: string;
    /**
     * @ignore
     * The PostProcess id in the pipeline that combines the SSAO-Blur output with the original scene color (SSAOOriginalSceneColorEffect)
     */
    SSAOCombineRenderEffect: string;
    /**
     * The output strength of the SSAO post-process. Default value is 1.0.
     */
    totalStrength: number;
    /**
     * The radius around the analyzed pixel used by the SSAO post-process. Default value is 0.0006
     */
    radius: number;
    /**
     * Related to fallOff, used to interpolate SSAO samples (first interpolate function input) based on the occlusion difference of each pixel
     * Must not be equal to fallOff and superior to fallOff.
     * Default value is 0.0075
     */
    area: number;
    /**
     * Related to area, used to interpolate SSAO samples (second interpolate function input) based on the occlusion difference of each pixel
     * Must not be equal to area and inferior to area.
     * Default value is 0.000001
     */
    fallOff: number;
    /**
     * The base color of the SSAO post-process
     * The final result is "base + ssao" between [0, 1]
     */
    base: number;
    private _scene;
    private _randomTexture;
    private _originalColorPostProcess;
    private _ssaoPostProcess;
    private _blurHPostProcess;
    private _blurVPostProcess;
    private _ssaoCombinePostProcess;
    private _firstUpdate;
    /**
     * Gets active scene
     */
    get scene(): Scene;
    /**
     * @constructor
     * @param name - The rendering pipeline name
     * @param scene - The scene linked to this pipeline
     * @param ratio - The size of the postprocesses. Can be a number shared between passes or an object for more precision: { ssaoRatio: 0.5, combineRatio: 1.0 }
     * @param cameras - The array of cameras that the rendering pipeline will be attached to
     */
    constructor(name: string, scene: Scene, ratio: any, cameras?: Camera[]);
    /**
     * @internal
     */
    _attachCameras(cameras: any, unique: boolean): void;
    /**
     * Get the class name
     * @returns "SSAORenderingPipeline"
     */
    getClassName(): string;
    /**
     * Removes the internal pipeline assets and detaches the pipeline from the scene cameras
     * @param disableDepthRender - If the depth renderer should be disabled on the scene
     */
    dispose(disableDepthRender?: boolean): void;
    private _createBlurPostProcess;
    /** @internal */
    _rebuild(): void;
    private _createSSAOPostProcess;
    private _createSSAOCombinePostProcess;
    private _createRandomTexture;
}