code: public ListExecutionsResult withExecutions(ExecutionListItem... executions) {
          if (this.executions == null) {
              setExecutions(new java.util.ArrayList<ExecutionListItem>(executions.length));
          }
          for (ExecutionListItem ele : executions) {
              this.executions.add(ele);
          }
          return this;
      }
docs: <p>
  The list of matching executions.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setExecutions(java.util.Collection)} or {@link #withExecutions(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param executions
  The list of matching executions.
  @return Returns a reference to this object so that method calls can be chained together.