code: @Nonnull
    public FineUploader5Paste setDefaultName (@Nonnull @Nonempty final String sDefaultName)
    {
      ValueEnforcer.notEmpty (sDefaultName, "DefaultName");
      m_sPasteDefaultName = sDefaultName;
      return this;
    }
docs: The default name given to pasted images.
  
  @param sDefaultName
  New value. May neither be <code>null</code> nor empty.
  @return this for chaining