xds/client/resource/filter_chain.go (4 lines):
	- line 207: // TODO: Implement LC-trie to support logarithmic time lookups. If that
	- line 609: // TODO: Add support for `TypedStruct`.
	- line 615: // TODO: Implement a registry of supported network filters (like
	- line 645: // TODO: Implement terminal filter logic, as per A36.


registry/directory/directory.go (4 lines):
	- line 272: // configRouters configures dynamic routers into the router chain, but, the current impl is incorrect, see FIXME above.
	- line 446: // TODO:unregister & unsubscribe
	- line 506: // FIXME: this doesn't trigger dir.overrideUrl()
	- line 534: // FIXME: this doesn't trigger dir.overrideUrl()


config_center/zookeeper/impl.go (3 lines):
	- line 70: // TODO adapt config center config
	- line 104: // TODO this method should has a parameter 'group', and it does not now, so we should concat group and key with '/' manually
	- line 166: // FIXME this method need to be fixed, because it will recursively


registry/servicediscovery/service_discovery_registry.go (2 lines):
	- line 121: // FIXME ServiceNames.String() is not good
	- line 228: // FIXME ServiceNames.String() is not good


xds/balancer/clustermanager/balancerstateaggregator.go (2 lines):
	- line 187: // TODO: the majority of this function (and UpdateState) is exactly the same
	- line 196: // TODO: use balancer.ConnectivityStateEvaluator to calculate the aggregated


common/url.go (2 lines):
	- line 343: // TODO :may need add interface key any value condition
	- line 739: // TODO configuration merge, in the future , the configuration center's config should merge too.


registry/protocol/protocol.go (2 lines):
	- line 258: // TODO:  unregister & unsubscribe
	- line 418: // TODO unsubscribeUrl


xds/utils/balancergroup/balancergroup.go (2 lines):
	- line 55: // TODO: move to a separate file?
	- line 260: // TODO: make it a parameter for New().


xds/client/controller/version/v3/loadreport.go (2 lines):
	- line 93: // TODO: fixme to support per endpoint loads.
	- line 145: UpstreamEndpointStats:   nil, // TODO: populate for per endpoint loads.


config_center/nacos/listener.go (2 lines):
	- line 65: // TODO check goroutine alive, but this version of go_nacos_sdk is not support.
	- line 70: // TODO: not supported in current go_nacos_sdk version


xds/balancer/clustermanager/clustermanager.go (2 lines):
	- line 78: // TODO: make this package not dependent on xds specific code. Same as for
	- line 109: // TODO: handle error? How to aggregate errors and return?


xds/client/controller/version/v2/loadreport.go (2 lines):
	- line 93: // TODO: fixme to support per endpoint loads.
	- line 145: UpstreamEndpointStats:   nil, // TODO: populate for per endpoint loads.


xds/client/controller/controller.go (2 lines):
	- line 100: // TODO: after LRS refactoring, each controller should only manage the LRS
	- line 133: backoff:         backoff.DefaultExponential.Backoff, // TODO: should this be configurable?


protocol/dubbo/hessian2/hessian_response.go (1 line):
	- line 319: // TODO response object should not be copied again to another object, it should be the exact type of the object


metadata/service/local/service_proxy.go (1 line):
	- line 41: // TODO use ProxyFactory to create proxy


xds/client/controller/loadreport.go (1 line):
	- line 49: // TODO: LRS refactor; maybe a new controller should be created for a separate


xds/utils/matcher/matcher_header.go (1 line):
	- line 159: present := ok && len(vs) > 0 // TODO: Are we sure we need this len(vs) > 0?


remoting/getty/listener.go (1 line):
	- line 44: WritePkg_Timeout = 5 * time.Second // TODO: WritePkg_Timeout will entry *.yml


config/service_config.go (1 line):
	- line 228: // TODO: delay export


xds/utils/resolver/config_selector.go (1 line):
	- line 136: AllowRPC(ctx context.Context) error // TODO: Make this a real interceptor for filters such as rate limiting.


xds/client/resource/unmarshal_cds.go (1 line):
	- line 278: // TODO: Drop support for deprecated fields. NACK if err != nil here.


xds/credentials/certprovider/remote/istioca_client.go (1 line):
	- line 169: // TODO: remove once istiod is stable and we have a way to validate JWTs locally


xds/utils/grpcutil/encode_duration.go (1 line):
	- line 47: // TODO: This is simplistic and not bandwidth efficient. Improve it.


protocol/rest/server/rest_server.go (1 line):
	- line 161: // TODO read as a slice


xds/client/loadreport.go (1 line):
	- line 41: // TODO: load reporting with federation also needs find the authority for


xds/client/controller/transport.go (1 line):
	- line 68: // TODO: start a goroutine monitoring ClientConn's connectivity state, and


xds/client/client.go (1 line):
	- line 131: // TODO: Should we invoke the registered callbacks here with an error that


common/metadata_info.go (1 line):
	- line 162: // TODO includeKeys load dynamic


registry/polaris/listener.go (1 line):
	- line 85: // TODO need to add UnWatch in polaris


protocol/dubbo3/dubbo3_invoker.go (1 line):
	- line 255: // FIXME here can't check if tcp server is started now!!!


xds/client/resource/name.go (1 line):
	- line 99: // TODO: processing directive (the part comes after "#" in the URL, stored


xds/balancer/priority/balancer_child.go (1 line):
	- line 95: // TODO: return and aggregate the returned error in the parent.


remoting/exchange_client.go (1 line):
	- line 95: // FIXME atomic operation


registry/polaris/registry.go (1 line):
	- line 174: // TODO wait polaris support it


xds/client/resource/unmarshal_lds.go (1 line):
	- line 68: // TODO: Pass version.TransportAPI instead of relying upon the type URL


config_center/zookeeper/listener.go (1 line):
	- line 49: // FIXME do not use Client.ExistW, cause it has a bug(can not watch zk node that do not exist)


xds/balancer/ringhash/ringhash.go (1 line):
	- line 215: // TODO: this won't be necessary if there are ways to compare address


xds/client/resource/unmarshal_rds.go (1 line):
	- line 73: // TODO: Pass version.TransportAPI instead of relying upon the type URL