export interface Mixin<C1, C2> {
    new (...args: any[]): C1 & C2;
}
export declare type Constructor<T = {}> = new (...args: any[]) => T;
export declare function mix<BC, C>(baseClass: Constructor<BC>, mixClass: Constructor<C>): Mixin<BC, C>;
export declare function mixSome(...classes: Constructor<any>[]): Constructor<any>;