config/src/main/java/org/springframework/security/config/annotation/web/configurers/UrlAuthorizationConfigurer.java
private static String[] hasAnyRole(String... roles) {
		for (int i = 0; i < roles.length; i++) {
			roles[i] = "ROLE_" + roles[i];
		}
		return roles;
	}
private static String[] hasAnyRole(String... roles) {
		for (int i = 0; i < roles.length; i++) {
			roles[i] = "ROLE_" + roles[i];
		}
		return roles;
	}
Creates a String for specifying that a user requires one of many roles.

@param roles the roles that the user should have at least one of (i.e. ADMIN, USER,
etc). Each role should not start with ROLE_ since it is automatically prepended
already.
@return the {@link ConfigAttribute} expressed as a String