code: @Nonnull
    public CSP2SourceList addMimeType (@Nonnull final IMimeType aMimeType)
    {
      ValueEnforcer.notNull (aMimeType, "aMimeType");
      m_aList.add (aMimeType.getAsString ());
      return this;
    }
docs: Add a MIME type (for plugin-types)
  
  @param aMimeType
  MIME type to add. May not be <code>null</code>.
  @return this