<p>print the list of all checkers</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-list_issue_types"><a href="#val-list_issue_types" class="anchor"></a><code><span><span class="keyword">val</span> list_issue_types : <span>unit <span class="arrow">&#45;&gt;</span></span> unit</span></code></div><div class="spec-doc"><p>print the list of all known issue types</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-show_checkers"><a href="#val-show_checkers"