export default parseChromsizesRows;
export type ChromsizeRow = [string, number];
export type CumulativeChromsizeEntry = {
    id: number;
    chr: string;
    pos: number;
};
export type ParsedChromsizes = {
    cumPositions: CumulativeChromsizeEntry[];
    chrPositions: Record<string, CumulativeChromsizeEntry>;
    totalLength: number;
    chromLengths: Record<string, number>;
};
/** @typedef {[string, number]} ChromsizeRow */
/**
 * @typedef CumulativeChromsizeEntry
 * @property {number} id
 * @property {string} chr
 * @property {number} pos
 */
/**
 * @typedef ParsedChromsizes
 * @property {CumulativeChromsizeEntry[]} cumPositions
 * @property {Record<string, CumulativeChromsizeEntry>} chrPositions
 * @property {number} totalLength
 * @property {Record<string, number>} chromLengths
 */
/**
 * Parse an array of chromsizes, for example that result from reading rows of a chromsizes CSV file.
 *
 * @param {ArrayLike<ChromsizeRow>} data - Array of [chrName, chrLen] "tuples".
 * @returns {ParsedChromsizes}
 */
declare function parseChromsizesRows(data: ArrayLike<ChromsizeRow>): ParsedChromsizes;