import type{PropertyValues}from'lit';import{LyraChart,type LyraChartConfiguration}from'./chart.class.js';import{type HistogramBucket}from'./histogram-bin.js';
/**
* `<lr-histogram>` — bins `values` into `bins` equal-width buckets and
* renders them as a bar chart. Chart.js has no built-in histogram
* controller; this composes `binValues()` with the plain `bar` type.
*
* Public collection properties take bounded, clone-owned readonly snapshots. Create a new
* collection and reassign it after changes; mutating the assigned array does not update the view.
*
* @customElement lr-histogram
* @status stable
* @since 4.0.0
*/
export declare class LyraHistogram extends LyraChart{protected static readonly ownedCollectionProperties:readonly string[];static styles:import("lit").CSSResultGroup[];type:'bar';bins:number;values:readonly number[];
/** Dataset label used for the legend, tooltip, table, and summary. */
seriesLabel:string;
/**
* Appends raw finite samples to `values`. The inherited signature is retained so histogram
* remains substitutable for `LyraChart`; its category label has no meaning for rebinned samples.
*/
appendSamples(values:readonly(number|null)[],maxSamples?:number):void;protected normalizeEffectiveConfig(config:LyraChartConfiguration|undefined):LyraChartConfiguration|undefined;
/**
* Inherited `LyraChart` signature, retained so histogram stays substitutable for its base class;
* `_label` has no meaning for rebinned samples and is ignored. Prefer the histogram-specific
* `appendSamples(values, maxSamples?)` alongside it — same behavior, without the unused label
* parameter.
*/
appendData(_label:string,values:(number|null)[],maxPoints?:number):void;protected chartContentChanged(changed:PropertyValues):boolean;}export declare function binnedBuckets(el:LyraHistogram):HistogramBucket[];declare global{interface HTMLElementTagNameMap{'lr-histogram':LyraHistogram;}}