how to generate refresh_token firebase code example

Example: how to refresh the id token using the refresh token firebase

visit this link https://firebase.google.com/docs/reference/rest/auth#:~:text=different%20Firebase%20project.-,Exchange%20a%20refresh%20token%20for%20an%20ID%20token,securetoken.googleapis.com%20endpoint.&text=The%20refresh%20token's%20grant%20type%2C%20always%20%22refresh_token%22.&text=A%20Firebase%20Auth%20refresh%20token.&text=The%20number%20of%20seconds%20in%20which%20the%20ID%20token%20expires.,-token_type