use interface for interface value,  added return to template
use interface for interface value,  added return to template

tcncloud/protoc-gen-persist,iamneal/protoc-gen-persist,namtzigla/protoc-gen-persist,tcncloud/protoc-gen-persist,iamneal/protoc-gen-persist,tcncloud/protoc-gen-persist,iamneal/protoc-gen-persist