docs: public ParcelFileDescriptor executeForBlobFileDescriptor(String sql, Object[] bindArgs,
              CancellationSignal cancellationSignal) {
          if (sql == null) {
              throw new IllegalArgumentException("sql must not be null.");
          }
  
          final int cookie = mRecentOperations.beginOperation("executeForBlobFileDescriptor",
                  sql, bindArgs);
          try {
              final PreparedStatement statement = acquirePreparedStatement(sql);
              try {
                  throwIfStatementForbidden(statement);
                  bindArguments(statement, bindArgs);
                  applyBlockGuardPolicy(statement);
                  attachCancellationSignal(cancellationSignal);
                  try {
                      int fd = nativeExecuteForBlobFileDescriptor(
                              mConnectionPtr, statement.mStatementPtr);
                      return fd >= 0 ? ParcelFileDescriptor.adoptFd(fd) : null;
                  } finally {
                      detachCancellationSignal(cancellationSignal);
                  }
              } finally {
                  releasePreparedStatement(statement);
              }
          } catch (RuntimeException ex) {
              mRecentOperations.failOperation(cookie, ex);
              throw ex;
          } finally {
              mRecentOperations.endOperation(cookie);
          }
      }