datasource/mongo/mongo.go (2 lines):
	- line 75: // TODO: construct a reasonable DataSource instance
	- line 77: // TODO: deal with exception


datasource/mongo/ms.go (2 lines):
	- line 1004: // TODO support gRPC output context
	- line 1354: // TODO support gRPC output context


server/resource/rbac/role_resource.go (1 line):
	- line 73: // TODO: validate role


syncer/metrics/metrics.go (1 line):
	- line 51: //TODO should call metrics.Init()


server/service/rbac/decision.go (1 line):
	- line 33: //TODO check project


server/plugin/auth/buildin/buildin.go (1 line):
	- line 180: //TODO add project


pkg/validate/validator.go (1 line):
	- line 170: // TODO how to validate non-base type key


datasource/etcd/sd/servicecenter/syncer.go (1 line):
	- line 220: // TODO support watching sc


syncer/rpc/server.go (1 line):
	- line 107: // TODO enable to close syncer


datasource/mongo/sync.go (1 line):
	- line 60: // TODO use mongo distributed lock


pkg/event/bus.go (1 line):
	- line 40: // TODO add option if queue is full


datasource/etcd/schema.go (1 line):
	- line 388: // TODO bad performance


client/config.go (1 line):
	- line 34: // TODO Expandable header not only token header


client/client.go (1 line):
	- line 40: // TODO overwrote by context values


datasource/etcd/state/kvstore/cache_kv.go (1 line):
	- line 127: // TODO support sort option


datasource/etcd/sd/servicecenter/aggregate.go (1 line):
	- line 190: // TODO should not use the etcd config


datasource/etcd/ms.go (1 line):
	- line 739: // TODO support gRPC output context


datasource/etcd/etcd.go (1 line):
	- line 46: datasource.Install("embeded_etcd", NewDataSource) //TODO remove misspell in future


server/service/rbac/authr_plugin.go (1 line):
	- line 78: token.WithSigningMethod(token.RS512)) //TODO config for each user