| JSReference | A reference to a value kept in the Node.js process, such as an object that cannot be serialized as JSON. |
| JSValue | A JavaScript value passed as an argument of a call, including values that JSON cannot represent, such as undefined or a BigInt. |
| NodeJsException | Represents an error raised by JavaScript code, or a failure of the Node.js process hosting it. |
| NodeJsHost | Hosts a Node.js process and runs JavaScript code in it. |
| NodeJsHostOptions | Options used to start a NodeJsHost. |
| NodeJsHostPool | Runs JavaScript code on a fixed number of Node.js processes, so CPU-bound code can run in parallel. |