/**
 * Global test setup for @rnwonder/simple-datejs test suite
 * Configures global mocks and test environment
 */
declare global {
    namespace Vi {
        interface JestAssertion<T = any> {
            toBeValidDateObject(): T;
            toBeValidJSDate(): T;
            toBeWithinTimeRange(expected: number, tolerance?: number): T;
        }
    }
}
export {};