Uncaught TypeError: Cannot create property 'stream' on string

[liiri]

proto file:

syntax = "proto3";

option java_multiple_files = true;
option java_package = "io.grpc.examples.manualflowcontrol";
option java_outer_classname = "HelloStreamingProto";
option objc_class_prefix = "HLWS";

package manualflowcontrol;

// The greeting service definition.
service StreamingGreeter {
  // Streams a many greetings
  rpc SayHelloStreaming (stream HelloRequest) returns (stream HelloReply) {}
}

// The request message containing the user's name.
message HelloRequest {
  string name = 1;
}

// The response message containing the greetings
message HelloReply {
  string message = 1;
}

Uncaught TypeError: Cannot create property 'stream' on string 'HelloRequest'
    at peg$c174 (/Users/liiri/apiiro/lim/src/Lim.FeaturesExtractor.Node/node_modules/proto-parse/parser.js:403:21)
    at peg$parserpc (/Users/liiri/apiiro/lim/src/Lim.FeaturesExtractor.Node/node_modules/proto-parse/parser.js:4326:52)
    at peg$parseservice (/Users/liiri/apiiro/lim/src/Lim.FeaturesExtractor.Node/node_modules/proto-parse/parser.js:4113:26)
    at peg$parseproto (/Users/liiri/apiiro/lim/src/Lim.FeaturesExtractor.Node/node_modules/proto-parse/parser.js:595:28)
    at Object.peg$parse [as parse] (/Users/liiri/apiiro/lim/src/Lim.FeaturesExtractor.Node/node_modules/proto-parse/parser.js:4473:16)
    at parse (/xxx/node_modules/proto-parse/proto-parse.js:5:20)