import type { BigWigFeatureArrays, SummaryFeatureArrays } from './types.ts';
/**
 * Single-feature view into an `ArrayFeatureView`. Exposes a JBrowse-compatible
 * `Feature`-style `get(key)` interface and a `toJSON()` method.
 *
 * Valid keys for `get()`: `start`, `end`, `score`, `refName`, `source`,
 * `summary`, `minScore`, `maxScore`.
 */
export declare class BigWigFeature {
    private view;
    private i;
    constructor(view: ArrayFeatureView, i: number);
    /** @internal */
    get(key: 'refName' | 'source'): string;
    /** @internal */
    get(key: 'start' | 'end' | 'score'): number;
    /** @internal */
    get(key: 'minScore' | 'maxScore'): number | undefined;
    /** @internal */
    get(key: 'summary'): boolean;
    /**
     * Returns the value of `key` for this feature.
     * Valid keys: `start`, `end`, `score`, `refName`, `source`, `summary`,
     * `minScore`, `maxScore`.
     */
    get(key: string): any;
    /** @internal */
    id(): string;
    /** Returns a plain-object representation of this feature. */
    toJSON(): {
        start: number;
        end: number;
        score: number;
        refName: string;
        source: string;
        uniqueId: string;
        summary: boolean;
        minScore: number | undefined;
        maxScore: number | undefined;
    };
}
/**
 * Wraps a `BigWigFeatureArrays` or `SummaryFeatureArrays` result and exposes
 * a JBrowse-compatible `Feature`-style interface. Use `view.get(i, key)` to
 * read individual feature fields, or iterate with `view.length`.
 */
export declare class ArrayFeatureView {
    readonly starts: Int32Array;
    readonly ends: Int32Array;
    readonly scores: Float32Array;
    readonly minScores: Float32Array | undefined;
    readonly maxScores: Float32Array | undefined;
    readonly isSummary: boolean;
    readonly source: string;
    readonly refName: string;
    /**
     * @param arrays - typed arrays result from `getFeaturesAsArrays`
     * @param source - source identifier (e.g. track name) attached to each feature
     * @param refName - chromosome name attached to each feature
     */
    constructor(arrays: BigWigFeatureArrays | SummaryFeatureArrays, source: string, refName: string);
    /** Number of features in this view. */
    get length(): number;
    /** @internal */
    start(i: number): number;
    /** @internal */
    end(i: number): number;
    /** @internal */
    score(i: number): number;
    /** @internal */
    minScore(i: number): number | undefined;
    /** @internal */
    maxScore(i: number): number | undefined;
    /** @internal */
    id(i: number): string;
    /** @internal */
    get(i: number, key: 'refName' | 'source'): string;
    /** @internal */
    get(i: number, key: 'start' | 'end' | 'score'): number;
    /** @internal */
    get(i: number, key: 'minScore' | 'maxScore'): number | undefined;
    /** @internal */
    get(i: number, key: 'summary'): boolean;
    /**
     * Returns the value of `key` for feature at index `i`.
     * Valid keys: `start`, `end`, `score`, `refName`, `source`, `summary`,
     * `minScore`, `maxScore`.
     */
    get(i: number, key: string): string | number | boolean | undefined;
}