export interface ShadowcatcherConfig {
    textureSize: number;
    weights: {
        x: number;
        y: number;
        z: number;
        w: number;
    };
    blurRadius: number;
    stdDeviation: number;
    sigmoidRange: number;
    sigmoidStrength: number;
}
export declare const DefaultShadowcatcherConfig: ShadowcatcherConfig;