@Override
    public String toString() {
        return DEFAULT_FORMATTER.format(this);
    }
Creates a new ValidationEvent from a {@link SourceException}.

@param exception Exception to use to create the event.
@param prefix Prefix string to add to the message.
@param shapeId ShapeId to associate with the event.
@return Returns a created validation event with an ID of Model.
smithy-model/src/main/java/software/amazon/smithy/model/validation/ValidationEvent.java