node_modules/langsmith/dist/utils/messages.js

export function isLangChainMessage(message) {
 return typeof message?._getType === "function";
}
export function convertLangChainMessageToExample(message) {
 const converted = {
 type: message._getType(),
 data: { content: message.content },
 };
 // Check for presence of keys in additional_kwargs
 if (message?.additional_kwargs &&
 Object.keys(message.additional_kwargs).length > 0) {
 converted.data.additional_kwargs = { ...message.additional_kwargs };
 }
 return converted;
}