import '../../../../../globals.js';
/**
 * Applies a histogram operation to an array.
 *
 * @author Jonathan Olson <jonathan.olson@colorado.edu>
 */
import { BufferArraySlot, DirectModule, mainHistogramWGSLOptions, PipelineBlueprintOptions } from '../../../imports.js';
export type HistogramModuleOptions<T> = {
    input: BufferArraySlot<T>;
    output: BufferArraySlot<number>;
} & mainHistogramWGSLOptions<T> & PipelineBlueprintOptions;
export declare const HISTOGRAM_MODULE_DEFAULTS: {
    readonly lengthExpression: null;
    readonly log: false;
};
export default class HistogramModule<T> extends DirectModule<number> {
    readonly input: BufferArraySlot<T>;
    readonly output: BufferArraySlot<number>;
    constructor(providedOptions: HistogramModuleOptions<T>);
}
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