code: @Nonnull
    public FineUploader5DeleteFile setEndpoint (@Nonnull final ISimpleURL aEndpoint)
    {
      ValueEnforcer.notNull (aEndpoint, "Endpoint");
      m_aDeleteFileEndpoint = aEndpoint;
      return this;
    }
docs: The endpoint to which delete file requests are sent.
  
  @param aEndpoint
  New value. May not be <code>null</code>.
  @return this for chaining