default void closeAndSuppress(Throwable t) {
        try {
            close();
        } catch (SQLException e) {
            t.addSuppressed(e);
        }
    }
Cleans the underlying resource and appends possible exceptions to the given {@link Throwable}.

@param t A {@link Throwable}. Must not be null.
core/src/main/java/org/jdbi/v3/core/statement/Cleanable.java