@Override
	protected String buildUrlWithContextPath(SwaggerUiConfigParameters swaggerUiConfigParameters, String swaggerUiUrl) {
		if (swaggerUiConfigParameters.getPathPrefix() == null)
			swaggerUiConfigParameters.setPathPrefix(springWebProvider.findPathPrefix(springDocConfigProperties));
		if (swaggerUiUrl.startsWith(swaggerUiConfigParameters.getPathPrefix())) {
			return buildUrl(swaggerUiConfigParameters.getContextPath(), swaggerUiUrl);
		}
		else {
			return buildUrl(swaggerUiConfigParameters.getContextPath() + swaggerUiConfigParameters.getPathPrefix(), swaggerUiUrl);
		}
	}
Redirect to ui mono.

@param request  the request
@param response the response
@return the mono
springdoc-openapi-starter-webflux-ui/src/main/java/org/springdoc/webflux/ui/SwaggerWelcomeWebFlux.java