TestScriptEngine engine1 = new TestScriptEngine("first");
        TestScriptEngine engine2 = new TestScriptEngine("second");

        scriptEngineFactory.add("test", engine1);
        scriptEngineFactory.add("test", engine2);

        // Should get the second engine
        ScriptEngine retrieved = scriptEngineFactory.getScriptEngine("test");
        assertEquals(engine2, retrieved);
    }

   * @throws NullPointerException if both {@code first} and {@code second} are null
   * @since 18.0 (since 3.0 as {@code Objects.firstNonNull}).
   */
  public static <T> T firstNonNull(@Nullable T first, @Nullable T second) {
    if (first != null) {
      return first;
    }
    if (second != null) {
      return second;
    }
    throw new NullPointerException("Both parameters are null");
  }

	input := `{"id": 0,"title": "Test Record","desc": "Some text","synonyms": ["foo", "bar", "whatever"]}
	{"id": 1,"title": "Second Record","desc": "another text","synonyms": ["some", "synonym", "value"]}
	{"id": 2,"title": "Second Record","desc": "another text","numbers": [2, 3.0, 4]}
	{"id": 3,"title": "Second Record","desc": "another text","nested": [[2, 3.0, 4], [7, 8.5, 9]]}`

	testTable := []struct {
		name       string

        int result = smbComRename.writeBytesWireFormat(dst, dstIndex);

        // Then
        assertTrue(result > 0);
        assertEquals((byte) 0x04, dst[0]); // First buffer format byte

        // Find the second buffer format byte
        int secondBufferFormatIndex = oldFileName.length() + 2; // 1 for first 0x04, 1 for null terminator
        assertEquals((byte) 0x04, dst[secondBufferFormatIndex]);
    }

    /**

        assertEquals(sidT1, lsarSidArrayX.sids[0].sid, "First SID should be unwrapped correctly");
        assertEquals(sidT2, lsarSidArrayX.sids[1].sid, "Second SID should be unwrapped correctly");
    }

    @Test
    void testConstructorWithJcifsSIDArrayDirectAssignment() {
        // Create mock SID objects
        SID mockSid1 = mock(SID.class);

  @CanIgnoreReturnValue
  public final <A extends Appendable> A appendTo(
      A appendable, @Nullable Object first, @Nullable Object second, @Nullable Object... rest)
      throws IOException {
    return appendTo(appendable, iterable(first, second, rest));
  }

  /**
   * Appends the string representation of each of {@code parts}, using the previously configured

        // Second decode - should overwrite values
        byte[] buffer2 = new byte[50];
        SMBUtil.writeInt4(0x22222222, buffer2, 0);
        SMBUtil.writeInt2(0x2222, buffer2, 20);
        SMBUtil.writeInt2(0x0311, buffer2, 22);

        response.decode(buffer2, 0, 24);
        assertEquals(0x22222222, response.getCapabilities(), "Second decode capabilities");

      long burst = measureTotalTimeMillis(limiter, oneSecWorthOfWork, new Random());
      // we allow one second worth of work to go in a burst (i.e. take less than a second)
      assertThat(burst).isAtMost(1000);
      long afterBurst = measureTotalTimeMillis(limiter, oneSecWorthOfWork, new Random());
      // but work beyond that must take at least one second
      assertThat(afterBurst).isAtLeast(1000);
    }
  }

  /**

      long burst = measureTotalTimeMillis(limiter, oneSecWorthOfWork, new Random());
      // we allow one second worth of work to go in a burst (i.e. take less than a second)
      assertThat(burst).isAtMost(1000);
      long afterBurst = measureTotalTimeMillis(limiter, oneSecWorthOfWork, new Random());
      // but work beyond that must take at least one second
      assertThat(afterBurst).isAtLeast(1000);
    }
  }

  /**

   * @param second the second array of elements to concatenate
   * @param type the component type of the returned array
   */
  @GwtIncompatible // Array.newInstance(Class, int)
  public static <T extends @Nullable Object> T[] concat(
      T[] first, T[] second, Class<@NonNull T> type) {
    T[] result = newArray(type, first.length + second.length);
    arraycopy(first, 0, result, 0, first.length);