@Override
    public String toString() {
        return getClass().getSimpleName();
    }
Matches column names with identical java names, ignoring case.
<p>
Example: column names {@code firstname} or {@code FIRSTNAME} would match java name {@code firstName}.
core/src/main/java/org/jdbi/v3/core/mapper/reflect/CaseInsensitiveColumnNameMatcher.java