elf.start == end
        return self.start &gt;= end

    @support_annotation_or_set
    def gap(self, start: int, end: int):
        &#34;&#34;&#34;
        Return the gep between this span and the other span. This is the distance between
        the last character of the first span and the first character of the second span in
        sequence, so it is always independent of the order of the two span.

        This is negative if the spans overlap.

        Note: this can be called with an Annotation or A