case "${VERSION}" in
devtoolset-9)
  wget --retry-connrefused --waitretry=1 --read-timeout=20 --timeout=15 --tries=5 "https://vault.centos.org/centos/7/sclo/Source/rh/devtoolset-9-gcc-9.3.1-2.2.el7.src.rpm"
  rpm2cpio "devtoolset-9-gcc-9.3.1-2.2.el7.src.rpm" |cpio -idmv
  tar -xvf "gcc-9.3.1-20200408.tar.xz" --strip 1
  ;;
devtoolset-10)

        `"LOCAL"` (case insensitive). If `"AUTO"`, tf.data service runtime
        decides which workers to read from. If `"ANY"`, TF workers read from any
        tf.data service workers. If `"LOCAL"`, TF workers will only read from
        local in-processs tf.data service workers. `"AUTO"` works well for most
        cases, while users can specify other targets. For example, `"LOCAL"`

	return &pooledFlateReader{fr: fr}
}

type pooledFlateReader struct {
	mu sync.Mutex // guards Close and Read
	fr io.ReadCloser
}

func (r *pooledFlateReader) Read(p []byte) (n int, err error) {
	r.mu.Lock()
	defer r.mu.Unlock()
	if r.fr == nil {
		return 0, errors.New("Read after Close")
	}
	return r.fr.Read(p)
}

func (r *pooledFlateReader) Close() error {
	r.mu.Lock()
	defer r.mu.Unlock()
	var err error

          openClientSockets.remove(raw)
          return false
        }

        if (!dispatcher.peek().inTunnel) return true // No more tunnel requests.
      }
    }

    /**
     * Reads a request and writes its response. Returns true if further calls should be attempted
     * on the socket.
     */
    @Throws(IOException::class, InterruptedException::class)

  ): Boolean

  /**
   * A chunk of response data corresponding to a pushed request.  This data must either be read or
   * skipped.
   *
   * @param streamId server-initiated stream ID: an even number.
   * @param source location of data corresponding with this stream ID.
   * @param byteCount number of bytes to read or skip from the source.
   * @param last when true, there are no data frames to follow.
   */

	}
	return ok, err
}

// RLock calls read lock REST API.
func (c *lockRESTClient) RLock(ctx context.Context, args dsync.LockArgs) (reply bool, err error) {
	return c.call(ctx, lockRPCRLock, &args)
}

// Lock calls lock REST API.
func (c *lockRESTClient) Lock(ctx context.Context, args dsync.LockArgs) (reply bool, err error) {
	return c.call(ctx, lockRPCLock, &args)
}

// RUnlock calls read unlock REST API.

                0x05, 0x00 // totalAvailableEntries = 5
        };

        int bytesRead = response.readParametersWireFormat(buffer, 0, buffer.length);

        assertEquals(8, bytesRead, "Should read 8 bytes for parameters.");
        assertEquals(0, response.status, "Status should be 0.");
        assertEquals(2, response.numEntries, "Number of entries should be 2.");
    }

    /**

	defer xioutil.ODirectPoolSmall.Put(bufp)

	for left > 0 {
		// Read expected hash...
		h.Reset()
		n, err := io.ReadFull(r, hashBuf)
		if err != nil {
			// Read's failed for object with right size, file is corrupt.
			return err
		}
		// Subtract hash length..
		left -= int64(n)
		if left < shardSize {
			shardSize = left
		}

		read, err := io.CopyBuffer(h, io.LimitReader(r, shardSize), *bufp)

    /**
     * Permission to read file attributes
     */
    int FILE_READ_ATTRIBUTES = 0x00000080; // 8
    /**
     * Permission to write file attributes
     */
    int FILE_WRITE_ATTRIBUTES = 0x00000100; // 9
    /**
     * Standard delete permission
     */
    int DELETE = 0x00010000; // 16
    /**
     * Permission to read the security descriptor
     */

                try {
                    // Invalidate any cached read data
                    // This would typically clear file's internal read buffers
                    // For now, we log the action as the actual implementation
                    // depends on SmbFile's internal caching mechanism
                    log.info("Invalidated read cache for: {}", path);
                } catch (Exception e) {