import { Camera, Material, RawShaderMaterial } from 'three';
import { type GLTFLoaderPlugin, GLTFParser } from "three/examples/jsm/loaders/GLTFLoader.js";
import { type SourceIdentifier } from "../engine_types.js";
export declare const NEEDLE_TECHNIQUES_WEBGL_NAME = "NEEDLE_techniques_webgl";
export declare class CustomShader extends RawShaderMaterial {
    private identifier;
    private onBeforeRenderSceneCallback;
    clone(): this;
    constructor(identifier: SourceIdentifier, ...args: any[]);
    dispose(): void;
    private _sphericalHarmonicsName;
    private _objToWorldName;
    private _worldToObjectName;
    private static viewProjection;
    private static _viewProjectionValues;
    private _viewProjectionName;
    private static viewMatrix;
    private static _viewMatrixValues;
    private _viewMatrixName;
    private static _worldSpaceCameraPosName;
    private static _worldSpaceCameraPos;
    private static _mainLightColor;
    private static _mainLightPosition;
    private static _lightData;
    private _rendererData;
    private get depthTextureUniform();
    private get opaqueTextureUniform();
    private onBeforeRenderScene;
    onBeforeRender(_renderer: any, _scene: any, camera: any, _geometry: any, obj: any, _group: any): void;
    onUpdateUniforms(camera?: Camera, obj?: any): void;
}
export declare class NEEDLE_techniques_webgl implements GLTFLoaderPlugin {
    get name(): string;
    private parser;
    private identifier;
    constructor(loader: GLTFParser, identifier: SourceIdentifier);
    loadMaterial(index: number): Promise<Material> | null;
}