in lib/eventstream_rpc.ts [1081:1097]
function getEventStreamMessageHeaderValueAsString(message: eventstream.Message, headerName : string) : string | undefined {
if (!message.headers) {
return undefined;
}
try {
for (const header of message.headers) {
if (header.name === headerName) {
return header.asString();
}
}
} catch (err) {
return undefined;
}
return undefined;
}