function getSelectionModelSelectionMode(sSelectionMode) {
		return sSelectionMode === SelectionMode.MultiToggle ? SelectionModel.MULTI_SELECTION : SelectionModel.SINGLE_SELECTION;
	}
Sets the selection mode. The current selection is lost.

@param {string} sSelectionMode The new selection mode.
@returns {this} Reference to <code>this</code> in order to allow method chaining
@public