@Override
    public int hashCode() {
        return Objects.hash(operation, fullyApplied);
    }
@param operation    the parsed operation
@param fullyApplied true if all the JSON content could be applied,
                    false if some (or all) of the fields were not poresent in this document and was ignored
document/src/main/java/com/yahoo/document/json/ParsedDocumentOperation.java