de></li><li id="type-config_usage_extra.filename" class="def record field anchored"><a href="#type-config_usage_extra.filename" class="anchor"></a><code><span>filename : string;</span></code></li><li id="type-config_usage_extra.line_number" class="def record field anchored"><a href="#type-config_usage_extra.line_number" class="anchor"></a><code><span>line_number : int;</span></code></li></ol><code><span>}</span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-equal_config_u