// unless it's actually going to be used; validate() is called for all set method calls, so it
    // needs to be fast.
    // (We could instead generate the message once, when the set is created, but zero is better.)
    if (!validator.get()) {
      throw new IllegalStateException(errorMessage.get());
    }
  }

   * @param declaredType1 any checked exception type declared by the calling method
   * @param declaredType2 any other checked exception type declared by the calling method
   * @deprecated Use a combination of two calls to {@link #throwIfInstanceOf} and one call to {@link
   *     #throwIfUnchecked}, which togther provide the same behavior except that they reject {@code
   *     null}.
   */
  @Deprecated
  @J2ktIncompatible

#### Blocking APIs

Blocking APIs are convenient because you get top-to-bottom procedural code without indirection. Network calls work like regular method calls: ask for data and it is returned. If the request fails, you get a stacktrace right where the call was made.

        int timeout3 = delegatingConfig.getResponseTimeout();

        // Then
        assertEquals(30000, timeout1, "First call should return correct value");
        assertEquals(30000, timeout2, "Second call should return correct value");
        assertEquals(30000, timeout3, "Third call should return correct value");
        verify(mockDelegate, times(3)).getResponseTimeout();
    }

    @Test

        });

        // For Trans2FindNext2 calls
        final int[] nextCall = { 0 };
        when(tree.send(any(Trans2FindNext2.class), any(Trans2FindFirst2Response.class))).thenAnswer((InvocationOnMock inv) -> {
            Trans2FindFirst2Response resp = inv.getArgument(1);
            int call = nextCall[0]++;
            String[] names = batches.get(call + 1);

        assertNotNull(option1);
        assertNotNull(option2);

        // Each call should return a new instance
        assertNotSame(option1, option2);
    }

    public void test_provideMappingOption_consistency() {
        // Test that multiple calls provide consistent configuration
        JsonMappingOption option1 = provider.provideMappingOption();

  /**
   * Precondition tester for {@code Iterator.remove()} that throws an exception with a consistent
   * error message.
   */
  static void checkRemove(boolean canRemove) {
    checkState(canRemove, "no calls to next() since the last call to remove()");
  }

  private CollectPreconditions() {}

 * [OkHttp Profiler](https://plugins.jetbrains.com/plugin/11249-okhttp-profiler): An IntelliJ plugin for monitoring OkHttp calls.
 * [OkReplay](https://github.com/airbnb/okreplay): Record and replay OkHttp network interaction in your tests.
 * [okhttp-signpost](https://github.com/pakerfeldt/okhttp-signpost): OAuth signing with signpost and OkHttp.

        long thirdCall = response.getOffset();

        assertEquals(66L, firstCall, "First call should return 66");
        assertEquals(66L, secondCall, "Second call should return 66");
        assertEquals(66L, thirdCall, "Third call should return 66");
    }

    void getConfig_returnsConfig() {
        SmbTreeConnection c = newConn();
        assertSame(config, c.getConfig());
    }

    @Test
    @DisplayName("acquire calls tree.acquire on first usage, release calls tree.release at zero")
    void acquire_release_lifecycle() {
        SmbTreeConnection c = newConn();
        SmbTreeImpl tree = mock(SmbTreeImpl.class);