lass='const'>File</span><span class='period'>.</span><span class='id identifier rubyid_exist?'>exist?</span><span class='lparen'>(</span><span class='const'><span class='object_link'><a href="../../Juno.html" title="Juno (module)">Juno</a></span></span><span class='period'>.</span><span class='id identifier rubyid_juno_config'><span class='object_link'><a href="../../Juno.html#juno_config-class_method" title="Juno.juno_config (method)">juno_config</a></span></span><span class='period'>.</span><span class='i