export interface HasChanged<Type = unknown> {
    (value: Type, old: Type): boolean;
}
export interface PropertyDeclaration<Type = unknown> {
    hasChanged?: HasChanged<Type>;
}
export type PropertyDeclarationMap = Map<PropertyKey, PropertyDeclaration>;
export type PropertyValues<T = any> = T extends object ? PropertyValueMap<T> : Map<PropertyKey, unknown>;
export interface PropertyValueMap<T> extends Map<PropertyKey, unknown> {
    get<K extends keyof T>(k: K): T[K];
    set<K extends keyof T>(key: K, value: T[K]): this;
    has<K extends keyof T>(k: K): boolean;
    delete<K extends keyof T>(k: K): boolean;
}
//# sourceMappingURL=types.d.ts.map