question: web browsers may set the ` origin ' request header to ` null ' if a resource is loaded from the local file system . if isnulloriginallowed is true then the server will response with the wildcard for the the cors response header ` access-control-allow-origin ' . concode_field_sep boolean anyOrigin concode_elem_sep long maxAge concode_elem_sep Set<HttpMethod> allowedRequestMethods concode_elem_sep Optional<Pattern> pattern concode_elem_sep boolean allowNullOrigin concode_elem_sep Optional<Set<String>> origins concode_elem_sep boolean enabled concode_elem_sep boolean allowCredentials concode_elem_sep Set<String> allowedRequestHeaders concode_elem_sep boolean shortCircuit concode_elem_sep Map<CharSequence,Callable<?>> preflightHeaders concode_field_sep boolean isCorsSupportEnabled concode_elem_sep T getValue concode_elem_sep boolean isAnyOriginSupported concode_elem_sep Set<HttpMethod> allowedRequestMethods concode_elem_sep HttpHeaders preflightResponseHeaders concode_elem_sep boolean isShortCircuit concode_elem_sep long maxAge concode_elem_sep boolean isOriginAllowed concode_elem_sep Optional<Set<String>> origins concode_elem_sep String toString concode_elem_sep Set<String> allowedRequestHeaders concode_elem_sep boolean isCredentialsAllowed
target: boolean function ( ) { return allowNullOrigin ; }