import { FragmentShader } from '../../../Shader';
export declare const gaussianKernel9: (kernelName?: string) => string;
export declare const gaussianKernel13: (kernelName?: string) => string;
export declare const gaussianBlurCompositeFragment: FragmentShader<import("../../../core/type").Dict<import("../../../Shader").ShaderDefineValue>, {
    /**
     * the texture with the scene you want to blur
     */
    colorTex: {
        type: "sampler2D";
        value: import("../../../Texture2D").default;
        semantic: import("../../../Shader").UniformSemantic | import("../../../Shader").MatrixSemantic | undefined;
    };
    blurSize: {
        type: "float";
        value: number;
        semantic: import("../../../Shader").UniformSemantic | import("../../../Shader").MatrixSemantic | undefined;
    };
    /**
     * 0.0 is horizontal, 1.0 is vertical
     */
    blurDir: {
        type: "float";
        value: number;
        semantic: import("../../../Shader").UniformSemantic | import("../../../Shader").MatrixSemantic | undefined;
    };
}, {
    defines: {};
    uniforms: {};
    attributes: {};
    varyings: {};
    functions: ((functionName?: string) => string)[];
    main: string;
}[]>;