import { IKey } from "./IKey";
export declare class Key implements IKey {
    primaryKey: string;
    secondaryKey: string;
    constructor(primaryKey?: string, secondaryKey?: string);
    asSingleComponentKey(): string;
    static asSingleComponentKey(primaryKey: string, secondaryKey: string): string;
    static fromSingleComponentKey(source: string): IKey;
}