code: public ListVirtualMFADevicesResult withVirtualMFADevices(VirtualMFADevice... virtualMFADevices) {
          if (this.virtualMFADevices == null) {
              setVirtualMFADevices(new com.amazonaws.internal.SdkInternalList<VirtualMFADevice>(virtualMFADevices.length));
          }
          for (VirtualMFADevice ele : virtualMFADevices) {
              this.virtualMFADevices.add(ele);
          }
          return this;
      }
docs: <p>
  The list of virtual MFA devices in the current account that match the <code>AssignmentStatus</code> value that
  was passed in the request.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setVirtualMFADevices(java.util.Collection)} or {@link #withVirtualMFADevices(java.util.Collection)} if
  you want to override the existing values.
  </p>
  
  @param virtualMFADevices
  The list of virtual MFA devices in the current account that match the <code>AssignmentStatus</code> value
  that was passed in the request.
  @return Returns a reference to this object so that method calls can be chained together.