code: @JsonIgnore
      public void encodeAndSetContent(byte[] byteContent) {
  
          if (byteContent == null) {
              this.content = null;
              return;
          }
  
          this.content = Base64.getEncoder().encodeToString(byteContent);
          encoding = "base64";
      }
docs: Encodes the provided byte array using Base64 and sets it as the content. The encoding
  property of this instance will be set to base64.
  
  @param byteContent the byte[] content to encode and set as the base64 encoded String content