import { Observable } from 'rxjs';
export type Tracker<BASE_TYPE> = BASE_TYPE & {
    _builtin_original?: BASE_TYPE;
    _remove_builtin_extensions?: () => void;
};
export type Getter<MODEL_TYPE> = (toGet: MODEL_TYPE) => Observable<MODEL_TYPE>;
export type Putter<MODEL_TYPE> = (toPut: MODEL_TYPE) => Observable<MODEL_TYPE>;
export declare function patch_via_put<BASE_TYPE>(toApply: Tracker<BASE_TYPE>, getter: Getter<Tracker<BASE_TYPE>>, putter: Putter<Tracker<BASE_TYPE>>): Observable<Tracker<BASE_TYPE>>;