public void clean() {
        ThrowableSuppressor throwableSuppressor = new ThrowableSuppressor();

        doClean(throwableSuppressor);

        throwableSuppressor.throwIfNecessary();
    }
Release any database resource that may be held by the handle. This affects
any statement that was created from the Handle.
core/src/main/java/org/jdbi/v3/core/Handle.java