DeprecatedConfigurationProperty (Spring Boot API)

```
@Target(METHOD)
@Retention(RUNTIME)
@Documented
public @interface DeprecatedConfigurationProperty
```
Indicates that a getter in a ConfigurationProperties object is deprecated. This annotation has no bearing on the actual binding processes, but it is used by the spring-boot-configuration-processor to add deprecation meta-data.
This annotation must be used on the getter of the deprecated element.
从以下版本开始:
1.3.0

- 可选元素概要
  可选元素
  修饰符和类型可选元素说明
  String reason
  The reason for the deprecation.
  String replacement
  The field that should be used instead (if any).

- 元素详细资料
  - reason
```
String reason
```
    The reason for the deprecation.
    返回:
    the deprecation reason
    默认值:
    ""
- - replacement
```
String replacement
```
    The field that should be used instead (if any).
    返回:
    the replacement field
    默认值:
    ""