import { Constructor, AnyFunction } from './function';
export declare class Base {
    initialize<T extends Base>(props?: Partial<T>): void;
    static new<T extends typeof Base>(this: T, props?: Partial<InstanceType<T>>): InstanceType<T>;
}
export declare type BaseAnyConstructor = typeof Base;
declare type AnyConstructor<A> = Constructor<any[], A>;
export declare type Mixin<T extends AnyFunction<any>> = InstanceType<ReturnType<T>>;
export declare type MixinAnyConstructor<T extends AnyFunction> = T extends AnyFunction<infer M> ? (M extends AnyConstructor<Base> ? M & BaseAnyConstructor : M) : ReturnType<T>;
export declare type FilterFlags<Base, Condition> = {
    [Key in keyof Base]: Base[Key] extends Condition ? Key : never;
};
export declare type AllowedNames<Base, Condition> = FilterFlags<Base, Condition>[keyof Base];
export declare type OnlyPropertiesOfType<Base, Type> = Pick<Base, AllowedNames<Base, Type>>;
export {};