/**
 * Memoize decorator
 * @example
 *
 * class Test {
  @Memoize()
  calculate(a: number, b: number): number {
    return a + b;
  }
}
 */
export declare function Memoize(): (target: any, propertyKey: string, descriptor: PropertyDescriptor) => void;
/**
 * Memoize a pure function and only recalculate if the arguments change.
 * @param projectionFn - the function to memoize
 * @param comparatorFn - a function to compare the arguments. By default an equality check (===) is used.
 *
 * @example
 * const memoizedFn = memoize((a, b) => a + b).memoized(a, b);
 */
export declare function memoize<T>(projectionFn: ProjectionFn<T>, comparatorFn?: ComparatorFn): MemoizedProjection<T>;
export type ProjectionFn<T> = (...args: any[]) => T;
export type ComparatorFn = (a: any, b: any) => boolean;
export type MemoizedProjection<T> = {
    memoized: ProjectionFn<T>;
    reset: () => void;
    setResult: (result?: T) => void;
};
export declare function isEqualCheck(a: any, b: any): boolean;