/// <reference types="@webgpu/types" />
import { HasReactive } from "@reactively/decorate";
import { Cache, ComposableShader } from "../util/Util.js";
import { BinOpModule } from "../util/BinOpModules.js";
/** @internal */
export interface ApplyScanBlocksArgs {
    device: GPUDevice;
    partialScan: GPUBuffer;
    blockSums: GPUBuffer;
    forceWorkgroupLength?: number;
    forceMaxWorkgroups?: number | undefined;
    label?: string;
    binOps?: BinOpModule;
    exclusiveLarge?: boolean;
    initialValue?: number;
    partialScanOffset?: number;
    blockSumsOffset?: number;
    scanOffset?: number;
    pipelineCache?: <T extends object>() => Cache<T>;
}
/** Shader stage used in a prefix scan, applies block summaries to block elements
 * @internal
 */
export declare class ApplyScanBlocks extends HasReactive implements ComposableShader {
    partialScan: GPUBuffer;
    blockSums: GPUBuffer;
    forceWorkgroupLength?: number;
    binOps: BinOpModule;
    label: string;
    exclusiveLarge: boolean;
    initialValue: number;
    partialScanOffset: number;
    blockSumsOffset: number;
    scanOffset: number;
    private forceMaxWorkgroups?;
    private device;
    private usageContext;
    private pipelineCache?;
    constructor(params: ApplyScanBlocksArgs);
    commands(commandEncoder: GPUCommandEncoder): void;
    destroy(): void;
    private get partialScanSize();
    /** Return enough dispatches to cover the source
     * `(multiple dispatches are needed for large sources) */
    private get dispatchSizes();
    private get maxWorkgroups();
    private get registry();
    private get pipeline();
    private get bindGroups();
    private createBindGroup;
    get result(): GPUBuffer;
    private get workgroupLength();
    get debugBuffer(): GPUBuffer;
    private get uniforms();
    private uniformsBuffer;
    private updateUniforms;
    private writeUniforms;
}