How to use the @loopback/metadata.DecoratorFactory.getTargetName function in @loopback/metadata

methodDescriptorOrParameterIndex,
          bindingSelector,
          metadata: injectionMetadata,
          resolve,
        },
        // Do not deep clone the spec as only metadata is mutable and it's
        // shallowly cloned
        {cloneInputSpec: false, decoratorName: injectionMetadata.decorator},
      );
      paramDecorator(target, member!, methodDescriptorOrParameterIndex);
    } else if (member) {
      // Property or method
      if (target instanceof Function) {
        throw new Error(
          '@inject is not supported for a static property: ' +
            DecoratorFactory.getTargetName(target, member),
        );
      }
      if (methodDescriptorOrParameterIndex) {
        // Method
        throw new Error(
          '@inject cannot be used on a method: ' +
            DecoratorFactory.getTargetName(
              target,
              member,
              methodDescriptorOrParameterIndex,
            ),
        );
      }
      const propDecorator: PropertyDecorator = PropertyDecoratorFactory.createDecorator<
        Injection
      >(

interceptorOrKeys,
        {decoratorName: '@intercept'},
      )(target, method, methodDescriptor!);
    }
    if (typeof target === 'function' && !method && !methodDescriptor) {
      // Class
      return InterceptClassDecoratorFactory.createDecorator(
        INTERCEPT_CLASS_KEY,
        interceptorOrKeys,
        {decoratorName: '@intercept'},
      )(target);
    }
    // Not on a class or method
    throw new Error(
      '@intercept cannot be used on a property: ' +
        DecoratorFactory.getTargetName(target, method, methodDescriptor),
    );
  };
}

{cloneInputSpec: false, decoratorName: injectionMetadata.decorator},
      );
      paramDecorator(target, member!, methodDescriptorOrParameterIndex);
    } else if (member) {
      // Property or method
      if (target instanceof Function) {
        throw new Error(
          '@inject is not supported for a static property: ' +
            DecoratorFactory.getTargetName(target, member),
        );
      }
      if (methodDescriptorOrParameterIndex) {
        // Method
        throw new Error(
          '@inject cannot be used on a method: ' +
            DecoratorFactory.getTargetName(
              target,
              member,
              methodDescriptorOrParameterIndex,
            ),
        );
      }
      const propDecorator: PropertyDecorator = PropertyDecoratorFactory.createDecorator<
        Injection
      >(
        PROPERTIES_KEY,
        {
          target,
          member,
          methodDescriptorOrParameterIndex,
          bindingSelector,
          metadata: injectionMetadata,