config/src/main/java/org/springframework/security/config/web/server/ServerHttpSecurity.java
public SecurityWebFilterChain build() {
		if (this.built != null) {
			throw new IllegalStateException("This has already been built with the following stacktrace. " + buildToString());
		}
		this.built = new RuntimeException("First Build Invocation").fillInStackTrace();
		if (this.headers != null) {
			this.headers.configure(this);
		}
		WebFilter securityContextRepositoryWebFilter = securityContextRepositoryWebFilter();
		if (securityContextRepositoryWebFilter != null) {
			this.webFilters.add(securityContextRepositoryWebFilter);
		}
		if (this.httpsRedirectSpec != null) {
			this.httpsRedirectSpec.configure(this);
		}
		if (this.x509 != null) {
			this.x509.configure(this);
		}
		if (this.csrf != null) {
			this.csrf.configure(this);
		}
		if (this.cors != null) {
			this.cors.configure(this);
		}
		if (this.httpBasic != null) {
			this.httpBasic.authenticationManager(this.authenticationManager);
			this.httpBasic.configure(this);
		}
		if (this.formLogin != null) {
			this.formLogin.authenticationManager(this.authenticationManager);
			if (this.securityContextRepository != null) {
				this.formLogin.securityContextRepository(this.securityContextRepository);
			}
			this.formLogin.configure(this);
		}
		if (this.oauth2Login != null) {
			this.oauth2Login.configure(this);
		}
		if (this.resourceServer != null) {
			this.resourceServer.configure(this);
		}
		if (this.client != null) {
			this.client.configure(this);
		}
		if (this.anonymous != null) {
			this.anonymous.configure(this);
		}
		this.loginPage.configure(this);
		if (this.logout != null) {
			this.logout.configure(this);
		}
		this.requestCache.configure(this);
		this.addFilterAt(new SecurityContextServerWebExchangeWebFilter(), SecurityWebFiltersOrder.SECURITY_CONTEXT_SERVER_WEB_EXCHANGE);
		if (this.authorizeExchange != null) {
			ServerAuthenticationEntryPoint authenticationEntryPoint = getAuthenticationEntryPoint();
			ExceptionTranslationWebFilter exceptionTranslationWebFilter = new ExceptionTranslationWebFilter();
			if (authenticationEntryPoint != null) {
				exceptionTranslationWebFilter.setAuthenticationEntryPoint(
					authenticationEntryPoint);
			}
			ServerAccessDeniedHandler accessDeniedHandler = getAccessDeniedHandler();
			if (accessDeniedHandler != null) {
				exceptionTranslationWebFilter.setAccessDeniedHandler(
						accessDeniedHandler);
			}
			this.addFilterAt(exceptionTranslationWebFilter, SecurityWebFiltersOrder.EXCEPTION_TRANSLATION);
			this.authorizeExchange.configure(this);
		}
		AnnotationAwareOrderComparator.sort(this.webFilters);
		List<WebFilter> sortedWebFilters = new ArrayList<>();
		this.webFilters.forEach( f -> {
			if (f instanceof OrderedWebFilter) {
				f = ((OrderedWebFilter) f).webFilter;
			}
			sortedWebFilters.add(f);
		});
		sortedWebFilters.add(0, new ServerWebExchangeReactorContextWebFilter());
		return new MatcherSecurityWebFilterChain(getSecurityMatcher(), sortedWebFilters);
	}
public SecurityWebFilterChain build() {
		if (this.built != null) {
			throw new IllegalStateException("This has already been built with the following stacktrace. " + buildToString());
		}
		this.built = new RuntimeException("First Build Invocation").fillInStackTrace();
		if (this.headers != null) {
			this.headers.configure(this);
		}
		WebFilter securityContextRepositoryWebFilter = securityContextRepositoryWebFilter();
		if (securityContextRepositoryWebFilter != null) {
			this.webFilters.add(securityContextRepositoryWebFilter);
		}
		if (this.httpsRedirectSpec != null) {
			this.httpsRedirectSpec.configure(this);
		}
		if (this.x509 != null) {
			this.x509.configure(this);
		}
		if (this.csrf != null) {
			this.csrf.configure(this);
		}
		if (this.cors != null) {
			this.cors.configure(this);
		}
		if (this.httpBasic != null) {
			this.httpBasic.authenticationManager(this.authenticationManager);
			this.httpBasic.configure(this);
		}
		if (this.formLogin != null) {
			this.formLogin.authenticationManager(this.authenticationManager);
			if (this.securityContextRepository != null) {
				this.formLogin.securityContextRepository(this.securityContextRepository);
			}
			this.formLogin.configure(this);
		}
		if (this.oauth2Login != null) {
			this.oauth2Login.configure(this);
		}
		if (this.resourceServer != null) {
			this.resourceServer.configure(this);
		}
		if (this.client != null) {
			this.client.configure(this);
		}
		if (this.anonymous != null) {
			this.anonymous.configure(this);
		}
		this.loginPage.configure(this);
		if (this.logout != null) {
			this.logout.configure(this);
		}
		this.requestCache.configure(this);
		this.addFilterAt(new SecurityContextServerWebExchangeWebFilter(), SecurityWebFiltersOrder.SECURITY_CONTEXT_SERVER_WEB_EXCHANGE);
		if (this.authorizeExchange != null) {
			ServerAuthenticationEntryPoint authenticationEntryPoint = getAuthenticationEntryPoint();
			ExceptionTranslationWebFilter exceptionTranslationWebFilter = new ExceptionTranslationWebFilter();
			if (authenticationEntryPoint != null) {
				exceptionTranslationWebFilter.setAuthenticationEntryPoint(
					authenticationEntryPoint);
			}
			ServerAccessDeniedHandler accessDeniedHandler = getAccessDeniedHandler();
			if (accessDeniedHandler != null) {
				exceptionTranslationWebFilter.setAccessDeniedHandler(
						accessDeniedHandler);
			}
			this.addFilterAt(exceptionTranslationWebFilter, SecurityWebFiltersOrder.EXCEPTION_TRANSLATION);
			this.authorizeExchange.configure(this);
		}
		AnnotationAwareOrderComparator.sort(this.webFilters);
		List<WebFilter> sortedWebFilters = new ArrayList<>();
		this.webFilters.forEach( f -> {
			if (f instanceof OrderedWebFilter) {
				f = ((OrderedWebFilter) f).webFilter;
			}
			sortedWebFilters.add(f);
		});
		sortedWebFilters.add(0, new ServerWebExchangeReactorContextWebFilter());
		return new MatcherSecurityWebFilterChain(getSecurityMatcher(), sortedWebFilters);
	}
Builds the {@link SecurityWebFilterChain}
@return the {@link SecurityWebFilterChain