HarmonyOS 修饰器是否可以被重写，或者是自定义修饰器？

function TestClassDecorator (target: Function) {}  
function TestMemberDecorator (target: testClass, memberName: String) {}  
function TestFunDecorator (target: testClass, propertyName: String, descriptor: PropertyDescriptor) {}  
function TestArgDecorator (target: Function, methodName: String, paramIndex: Number) {}  
  
@TestClassDecorator  
class testClass {  
  @TestMemberDecorator  
  count: number = 123;  
  
  @TestFunDecorator  
  TestFun(@TestArgDecorator param: string) {}  
}

function logger(target: Object, propertyKey: string, descriptor: PropertyDescriptor) {  
  const originalMethod: Function = descriptor.value  
  console.log('WyTest-- name: ', propertyKey);  
  descriptor.value = (...args: Object[]) => {  
    console.log('WyTest-- params: ', ...args);  
    const result: Object = originalMethod(...args);  
    console.log('WyTest-- result: ', result);  
    return result;  
  }  
  return descriptor  
}  
class MathClass {  
  prop:number = 0;  
  static staticProp = 1;  
  @logger  
  add(x: number, y: number) {  
    return x + y;  
  }  
  @logger  
  static staticSub(x: number, y: number) {  
    return x - y;  
  }  
}  
@Entry  
@Component  
struct DecoratorFunction {  
  @State message: string = 'Hello World';  
  build() {  
    Row() {  
      Column() {  
        Text(this.message)  
          .fontSize(50)  
          .fontWeight(FontWeight.Bold)  
          .onClick(() => {  
            const c: MathClass = new MathClass();  
            c.add(1, 2);  
            MathClass.staticSub(5, 2)  
          })  
      }  
      .width('100%')  
    }  
    .height('100%')  
  }  
}