*/
    public Transport() {
        // Default constructor
    }

    static int id = 0;
    static LogStream log = LogStream.getInstance();

    /**
     * Reads exactly len bytes from the input stream into the buffer.
     *
     * @param in the input stream to read from
     * @param b the buffer to read into
     * @param off the offset in the buffer to start writing

* Read the body of the request as JSON.
* Convert the corresponding types (if needed).
* Validate the data.
    * If the data is invalid, it will return a nice and clear error, indicating exactly where and what was the incorrect data.
* Give you the received data in the parameter `item`.

          }

          @Override
          @SuppressWarnings("ThreadPriorityCheck") // doing our best to test for races
          public Boolean get() {
            // Check that this method is called exactly once, by the first
            // thread to synchronize.
            long t0 = System.nanoTime();
            while (waitingThreads() != numThreads - 1) {
              if (System.nanoTime() - t0 > timeout) {

            buffer[i] = (byte) (i + 1);
        }

        // Decode
        int bytesDecoded = smbInfoAllocation.decode(buffer, 0, buffer.length);

        // Verify we read exactly 20 bytes (4 + 4 + 4 + 4 + 4)
        // Note: bytesPerSect is read as Int2 but 4 bytes are consumed (padding)
        assertEquals(20, bytesDecoded);
    }

    @Test

        // 1. Class should have protected constructor
        Constructor<?>[] constructors = ThreadDumpUtil.class.getDeclaredConstructors();
        assertEquals("Should have exactly one constructor", 1, constructors.length);
        assertTrue("Constructor should be protected", java.lang.reflect.Modifier.isProtected(constructors[0].getModifiers()));

        // 2. All public methods should be static

    }

    @Test
    @DisplayName("readPacketType with special stream returning -1 should return -1")
    void testReadPacketTypeSpecialStream() throws IOException {
        // Create a mock stream that returns exactly -1 on first read (special case)
        when(mockInputStream.read(any(byte[].class), anyInt(), anyInt())).thenReturn(-1); // Immediate EOF

        byte[] buffer = new byte[10];

    val groupLength = i - groupOffset
    if (groupLength == 0) return false // No digits.

    // We've successfully read a byte.
    address[b++] = value.toByte()
  }

  // Check for too few groups. We wanted exactly four.
  return b == addressOffset + 4
}

/** Encodes an IPv6 address in canonical form according to RFC 5952. */
internal fun inet6AddressToAscii(address: ByteArray): String {

        // Given - notification exactly at buffer end
        byte[] buffer = new byte[104]; // Exact size needed
        int offset = 0;

        setHeaderStart(response, 64);

        // Write structure
        SMBUtil.writeInt2(9, buffer, offset);
        SMBUtil.writeInt2(80 - 64, buffer, offset + 2);
        SMBUtil.writeInt4(24, buffer, offset + 4); // Exact notification size

        // Write notification

/// check

So, with the same Python type declaration, **FastAPI** gives you data validation.

Notice that the error also clearly states exactly the point where the validation didn't pass.

This is incredibly helpful while developing and debugging code that interacts with your API.

///

## Documentation { #documentation }

   * Otherwise this returns an empty list of challenges.
   *
   * If a challenge uses the `token68` variant instead of auth params, there is exactly one
   * auth param in the challenge at key null. Invalid headers and challenges are ignored.
   * No semantic validation is done, for example that `Basic` auth must have a `realm`