import { ShaderMaterial, ShaderMaterialParameters, Texture } from 'three';
export interface DownsampleThresholdMaterialParameters extends ShaderMaterialParameters {
    inputBuffer?: Texture | null;
    thresholdLevel?: number;
    thresholdRange?: number;
}
export declare const downsampleThresholdMaterialParametersDefaults: {
    thresholdLevel: number;
    thresholdRange: number;
};
export declare class DownsampleThresholdMaterial extends ShaderMaterial {
    constructor(params?: DownsampleThresholdMaterialParameters);
    setSize(width: number, height: number): void;
    get inputBuffer(): Texture | null;
    set inputBuffer(value: Texture | null);
    get thresholdLevel(): number;
    set thresholdLevel(value: number);
    get thresholdRange(): number;
    set thresholdRange(value: number);
}