public boolean isReadOnly() {
        try {
            return connection.isReadOnly();
        } catch (SQLException e) {
            throw new UnableToManipulateTransactionIsolationLevelException("Could not get read-only status for a connection", e);
        }
    }
Whether the connection is in read-only mode.

@return True if the connection is in read-only mode.
@see Connection#isReadOnly()
core/src/main/java/org/jdbi/v3/core/Handle.java