import { PhysicalIndexToValueMap } from './physicalIndexToValueMap';
/**
 * Map for storing mappings from an physical index to a boolean value. It stores information whether physical index is
 * NOT included in a dataset and skipped in the process of rendering.
 *
 * @class TrimmingMap
 */
export declare class TrimmingMap extends PhysicalIndexToValueMap {
    /**
     * Initializes the trimming map with an optional default value, defaulting to `false` (not trimmed).
     */
    constructor(initValueOrFn?: boolean);
    /**
     * Get physical indexes which are trimmed.
     *
     * Note: Indexes marked as trimmed aren't included in a {@link DataMap} and aren't rendered.
     *
     * @returns {Array}
     */
    getTrimmedIndexes(): number[];
}