import { NodeBuilder, TextureNode } from 'three/webgpu';
import { DualMipmapFilterNode } from './DualMipmapFilterNode';
import { Node } from './node';
export declare class MipmapSurfaceBlurNode extends DualMipmapFilterNode {
    static get type(): string;
    blendAmount: import('three/webgpu').UniformNode<number>;
    constructor(inputNode?: TextureNode | null, levels?: number);
    protected setupDownsampleNode(builder: NodeBuilder): Node;
    protected setupUpsampleNode(builder: NodeBuilder): Node;
}
export declare const mipmapSurfaceBlur: (...args: ConstructorParameters<typeof MipmapSurfaceBlurNode>) => MipmapSurfaceBlurNode;