import { Logger, LogLevelDescType } from 'loglevel-colored-prefix';
import { BioSeqSet } from './BioSeqSet';
import { ParseUtils } from './ParseUtilsAbstract';
declare class FastaUtils extends ParseUtils {
    protected log: Logger;
    protected logLevel: LogLevelDescType;
    constructor(logLevel?: LogLevelDescType);
    /**
     * Parse FASTA string chunk to a BioSeqSet object
     *
     * @param {string} chunk
     * @returns
     * @memberof FastaUtils
     */
    parse(chunk: string): BioSeqSet;
    write(input: BioSeqSet): string;
}
export { FastaUtils };