export interface HumanizeDurationOptions {
    language?: string;
    delimiter?: string;
    spacer?: string;
    conjunction?: string;
    serialComma?: boolean;
    units?: UnitName[];
    largest?: number;
    languages?: LanguageItem;
    round?: boolean;
    decimal?: string;
    unitMeasures?: {
        [key: string]: number;
    };
}
export interface LanguageItem {
    [key: string]: Language;
}
export interface Language {
    y(count: number): string;
    mo(count: number): string;
    w(count: number): string;
    d(count: number): string;
    h(count: number): string;
    m(count: number): string;
    s(count: number): string;
    ms(count: number): string;
    decimal: string;
}
export interface Piece {
    unitCount: number;
    unitName: UnitName;
}
export declare type UnitName = "y" | "mo" | "w" | "d" | "h" | "m" | "s" | "ms";