<listitem>
        <para>
         A value of 1 indicates this is the first stream segment for
         this XID, 0 for any other stream segment.
        </para>
       </listitem>
      </varlistentry>
     </variablelist>
    </listitem>
   </varlistentry>

   <varlistentry id="protocol-logicalrep-message-formats-Stream-Stop">
    <term>Stream Stop</term>
    <listitem>
     <variablelist>
      <varlistentry>
       <term>Byte1('E')</term>
       <listitem>
        <para>
         Identifies the message as a stream stop message.
        </para>
       </listitem>
      </varlistentry>
     </variablelist>
    </listitem>
   </varlistentry>

   <varlistentry id="protocol-logicalrep-message-formats-Stream-Commit">
    <term>Stream Commit</term>
    <listitem>
     <variablelist>
      <varlistentry>
       <term>Byte1('c')</term>
       <listitem>
        <para>
         Identifies the message as a stream commit message.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int32 (TransactionId)</term>
       <listitem>
        <para>
         Xid of the transaction.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int8(0)</term>
       <listitem>
        <para>
         Flags; currently unused.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (XLogRecPtr)</term>
       <listitem>
        <para>
         The LSN of the commit.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (XLogRecPtr)</term>
       <listitem>
        <para>
         The end LSN of the transaction.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (TimestampTz)</term>
       <listitem>
        <para>
         Commit timestamp of the transaction. The value is in number
         of microseconds since PostgreSQL epoch (2000-01-01).
        </para>
       </listitem>
      </varlistentry>
     </variablelist>
    </listitem>
   </varlistentry>

   <varlistentry id="protocol-logicalrep-message-formats-Stream-Abort">
    <term>Stream Abort</term>
    <listitem>
     <variablelist>
      <varlistentry>
       <term>Byte1('A')</term>
       <listitem>
        <para>
         Identifies the message as a stream abort message.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int32 (TransactionId)</term>
       <listitem>
        <para>
         Xid of the transaction.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int32 (TransactionId)</term>
       <listitem>
        <para>
         Xid of the subtransaction (will be same as xid of the transaction for top-level
         transactions).
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (XLogRecPtr)</term>
       <listitem>
        <para>
         The LSN of the abort. This field is available since protocol version
         4.
        </para>
       </listitem>
      </varlistentry>

      <varlistentry>
       <term>Int64 (TimestampTz)</term>
       <listitem>
        <para>
         Abort timestamp of the transaction. The value is in number
         of microseconds since PostgreSQL epoch (2000-01-01). This field is
         available since protocol version 4.
        </para>
       </listitem>
      </varlistentry>

     </variablelist>
    </listitem>
   </varlistentry>
  </variablelist>

  <para>
   The following messages (Begin Prepare, Prepare, Commit Prepared, Rollback Prepared, Stream Prepare)
   are available since protocol version 3.
  </para>

  <variablelist>
   <varlistentry id="protocol-logicalrep-message-formats-Begin-Prepare">
    <term>Begin Prepare</term>
    <listitem>
     <variablelist>
      <varlistentry>
       <term>Byte1('b')</term>
       <listitem>
        <para>
         Identifies the message as the beginning of a prepared transaction