getExpandersJSON();
The getExpandersJSON method gets array of table cell groups in the JSON format.
This method gets an array of JSON objects with the following fields: @H - cell group height, @IC - indicates if the group is collapsed, @L - index of the left column, @T - index of the top row, @W - group width.
The example of use is given on the page with description of the TabSheetModel.clearExpanders method.
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