@Override
    public boolean tryInit(long value, long allocationSize) {
        return get(tryInitAsync(value, allocationSize));
    }
@Test
    public void testCopy() {
        testTwoDatabase((r1, r2) -> {
            RIdGenerator generator = r1.getIdGenerator("test");
            generator.tryInit(12, 2931);
            
            generator.copy("test1", 1);
            assertThat(r1.getKeys().count()).isEqualTo(2);
            assertThat(r2.getKeys().count()).isEqualTo(2);
        });
    }