code: @JsonIgnore
      public String getDecodedContentAsString() {
  
          if (content == null) {
              return (null);
          }
  
          if ("base64".equalsIgnoreCase(encoding)) {
              return (new String(Base64.getDecoder().decode(content)));
          }
  
          return (content);
      }
docs: Returns the content as a String, base64 decoding it if necessary.
  For binary files it is recommended to use getDecodedContentAsBytes()
  
  @return the content as a String, base64 decoding it if necessary