public List<GrpcUpstream> getGrpcUpstreamListCache(final String selectorId) {
        return grpcUpstreamCachedHandle.get().obtainHandle(selectorId);
    }
getGrpcUpstreamListCache.

@param selectorId selectorId
@return {@link List GrpcUpstream}
shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-grpc/src/main/java/org/apache/shenyu/plugin/grpc/cache/ApplicationConfigCache.java