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; }