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Call Stack
#	Time	Memory	Function	Location
1	0.0012	400856	{main}( )	.../TableOfContents.php:0
2	0.0013	401232	class_alias( $user_class_name = 'League\\CommonMark\\Extension\\TableOfContents\\Node\\TableOfContents', $alias_name = 'League\\CommonMark\\Extension\\TableOfContents\\TableOfContents' )	.../TableOfContents.php:21