docs: public void setVirtualMFADevices(java.util.Collection<VirtualMFADevice> virtualMFADevices) {
          if (virtualMFADevices == null) {
              this.virtualMFADevices = null;
              return;
          }
  
          this.virtualMFADevices = new com.amazonaws.internal.SdkInternalList<VirtualMFADevice>(virtualMFADevices);
      }