export declare class DeltaEncoding {
    last: number;
    encode(item: number): number;
    static encode(iter: Iterable<number>): number[];
    decode(item: number): number;
    static decode(iter: Iterable<number>): number[];
}
export declare class FrontEncoding {
    last: string;
    letters: string[];
    encode(word: string): string;
    static encode(words: string[]): string;
    decode(encoded: string, index?: number): [decoded: string, nextIndex: number];
    static decode(encoded: string): string[];
}
//# sourceMappingURL=compress.d.ts.map