in src/main/java/com/twitter/http2/HttpConnection.java [114:123]
void closeRemoteSide(int streamId, boolean remote) {
Node stream = streams.get(streamId);
StreamState state = stream == null ? null : stream.state;
if (state != null) {
state.closeRemoteSide();
if (state.isLocalSideClosed()) {
removeActiveStream(streamId, remote);
}
}
}