cas/src/main/java/org/springframework/security/cas/web/CasAuthenticationFilter.java
private boolean proxyReceptorConfigured() {
		final boolean result = this.proxyGrantingTicketStorage != null
				&& proxyReceptorMatcher != null;
		if (logger.isDebugEnabled()) {
			logger.debug("proxyReceptorConfigured = " + result);
		}
		return result;
	}
private boolean proxyReceptorConfigured() {
		final boolean result = this.proxyGrantingTicketStorage != null
				&& proxyReceptorMatcher != null;
		if (logger.isDebugEnabled()) {
			logger.debug("proxyReceptorConfigured = " + result);
		}
		return result;
	}
Determines if the {@link CasAuthenticationFilter} is configured to handle the proxy
receptor requests.

@return