private String getKey(String feignClientName, Target<?> target, Method method) {
		String key = Feign.configKey(target.type(), method);
		return feignClientName + key.substring(key.indexOf('#'));
	}
Feign client circuit breaker name resolver.

@author freeman
@since 2021.0.1.0
@see CircuitBreakerNameResolver
spring-cloud-alibaba-starters/spring-cloud-circuitbreaker-sentinel/src/main/java/com/alibaba/cloud/circuitbreaker/sentinel/feign/FeignClientCircuitNameResolver.java