returns attribute value from a manifest main section , or null if missing or a file does not contain a manifest . concode_field_sep Logger LOG concode_field_sep boolean containsEntry concode_elem_sep String getJarAttributeImpl concode_elem_sep boolean containsClass concode_elem_sep boolean containsClass concode_elem_sep Properties loadProperties
String function ( @ NotNull File arg0 , @ NotNull Attributes . Name arg1 ) { return getJarAttributeImpl ( arg0 , null , arg1 ) ; }