ve.ui.MWLinkAction#getLinkAnnotation in ve.ui.actionFactorory with 'link'

/**
 * Open either the 'link' or 'linkNode' window, depending on what is selected.
 *
 * @method
 * @return {boolean} Action was executed
 */
ve.ui.MWLinkAction.prototype.open = function () {
	var fragment = this.surface.getModel().getFragment(),
		selectedNode = fragment.getSelectedNode(),
		windowName = 'link';

	if ( selectedNode instanceof ve.dm.MWNumberedExternalLinkNode ) {
		windowName = 'linkNode';
	} else if ( selectedNode instanceof ve.dm.MWMagicLinkNode ) {
		windowName = 'linkMagicNode';
	}
	this.surface.execute( 'window', 'open', windowName );
	return true;
};

> ve.init.target.targetSurface.execute( 'window', 'open', 'link' ); // opens ve.ui.MWLinkInspectorTool

ve.ui.MWInternalLinkAnnotationWidget.static.getAnnotationFromText
ve.dm.MWInternalLinkAnnotation.static.newFromTitle( title, trimmed );
ve.ui.MWLinkInspectorTool
ve.ui.MWLinkInspectorTool.static.commandName = 'link'; in ve.ui.toolFactory with 'link'