src/vs/editor/common/cursor/cursor.ts/CursorsController/_interpretCommandResult
class CursorsController:	private _interpretCommandResult(cursorState: Selection[] | null): void {
		if (!cursorState || cursorState.length === 0) {
			cursorState = this._cursors.readSelectionFromMarkers();
		}

		this._columnSelectData = null;
		this._cursors.setSelections(cursorState);
		this._cursors.normalize();
	}