VM4ZH5WDVH6LR4ZEZFQB2MOHNLC6A7RFSXRZWM3MRU6ISH33KJBAC fn print_transaction_metadata(&mut self, metadata: &TransactionMetadata) -> Result<()> {let TransactionMetadata {key_value, links, ..} = metadata;for link in links {write!(self.inner, "\n {link}")?;}for (key, value) in key_value {write!(self.inner, "\n {key}: {value}")?;}Ok(())}