DeferredResultAdapter (Spring Framework 4.3.30.RELEASE API)

```
@Deprecated
public interface DeferredResultAdapter
```
Deprecated.
in 4.3.8 since 5.0 adds first-class support for reactive type return values from Spring MVC controller methods based on the pluggable ReactiveAdapterRegistry mechanism. Yet another alternative would be to implement a custom AsyncHandlerMethodReturnValueHandler.
Contract to adapt a single-value async return value to DeferredResult.
Since:
4.3
Author:
Rossen Stoyanchev

Method Summary

All Methods Instance Methods Abstract Methods Deprecated Methods
Modifier and Type	Method	Description
`DeferredResult<?>`	`adaptToDeferredResult(Object returnValue)`	Deprecated. Create a `DeferredResult` for the given return value.

- Method Detail
  - adaptToDeferredResult
```
DeferredResult<?> adaptToDeferredResult(Object returnValue)
```
    Deprecated.
    Create a DeferredResult for the given return value.
    Parameters:
    returnValue - the return value (never null)
    Returns:
    the DeferredResult