startTransaction method
Begin a transaction, where the changes are held by a Transaction object in the UndoManager. This just calls UndoManager#startTransaction. @param {string=} tname a descriptive name for the transaction. @return {boolean} the value returned by UndoManager#startTransaction. @see #commit
Implementation
_i2.bool startTransaction([_i2.String? tname]) => _i4.callMethod(
this,
'startTransaction',
[tname ?? _i5.undefined],
);