要导入 QML 类型到应用程序中，使用以下 import 语句在 .qml 文件中：
import QtQml.StateMachine
更多信息，见 Qt State Machine QML 指南 .
| 提供最终状态 | |
| Type provides a means of returning to a previously active substate | |
| Type is the base type of States of a StateMachine | |
| Type is the base type of transitions between QAbstractState objects | |
| Type provides a transition based on a Qt signal | |
| Type provides a transition based on a Qt signal | |
| Provides a general-purpose state for StateMachine | |
| Provides a hierarchical finite state machine | |
| Type provides a transition based on a timer |
