web/src/main/java/org/springframework/security/web/access/intercept/DefaultFilterInvocationSecurityMetadataSource.java
public Collection<ConfigAttribute> getAllConfigAttributes() {
		Set<ConfigAttribute> allAttributes = new HashSet<>();

		for (Map.Entry<RequestMatcher, Collection<ConfigAttribute>> entry : requestMap
				.entrySet()) {
			allAttributes.addAll(entry.getValue());
		}

		return allAttributes;
	}
public Collection<ConfigAttribute> getAllConfigAttributes() {
		Set<ConfigAttribute> allAttributes = new HashSet<>();

		for (Map.Entry<RequestMatcher, Collection<ConfigAttribute>> entry : requestMap
				.entrySet()) {
			allAttributes.addAll(entry.getValue());
		}

		return allAttributes;
	}
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