import type { BigWig } from './bigwig.ts';
import type { BigWigFeatureArrays, RequestOptions2 } from './types.ts';
/**
 * Reads all base-resolution features from every chromosome in a BigWig file.
 * Zoom levels and chromosomes with no data are skipped.
 *
 * @param bigwig - a `BigWig` instance
 * @param opts - optional `RequestOptions` (e.g. `opts.signal` for abort)
 * @returns `Promise<BigWigFeatureArrays[]>` — one entry per chromosome that
 *   has data, in chromosome order
 */
export declare function parseBigWig(bigwig: BigWig, opts?: RequestOptions2): Promise<BigWigFeatureArrays[]>;