code: public void setCommandIds(java.util.Collection<String> commandIds) {
          if (commandIds == null) {
              this.commandIds = null;
              return;
          }
  
          this.commandIds = new com.amazonaws.internal.SdkInternalList<String>(commandIds);
      }
docs: <p>
  An array of command IDs. If you include this parameter, <code>DescribeCommands</code> returns a description of
  the specified commands. Otherwise, it returns a description of every command.
  </p>
  
  @param commandIds
  An array of command IDs. If you include this parameter, <code>DescribeCommands</code> returns a
  description of the specified commands. Otherwise, it returns a description of every command.