/src/main/java/org/htmlunit/html/HtmlDialog.java
if ( !( isOpen( ) ) ) {   setOpen( true) ; }
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public void show() { if (!isOpen()) { setOpen(true); } } public void showModal() { <extra_id_0> setOpen(true); modal_ = true; } } public void close(final String returnValue) { if (isOpen()) {