class CasAuthenticationDateFormatter extends DateConverter {

    /**
     * <p>Constructor for CasAuthenticationDateFormatter.</p>
     */
    public CasAuthenticationDateFormatter() {
        super("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
    }

    /** {@inheritDoc} */
    @Override
    public Object convert(final Object attribute) {<FILL_FUNCTION_BODY>}
}

        var a = attribute;
        if (a instanceof String s) {
            var pos = s.lastIndexOf("[");
            if (pos > 0) {
                s = s.substring(0, pos);
                pos = s.lastIndexOf(":");
                if (pos > 0) {
                    s = s.substring(0, pos) + s.substring(pos + 1, s.length());
                }
                a = s;
            }
        }
        return super.convert(a);
    
<methods>public void <init>() ,public void <init>(java.lang.String) ,public void <init>(java.lang.String, java.util.Locale) <variables>protected java.lang.String format,protected java.util.Locale locale