ContextCustomizer (Spring Framework 5.2.12.RELEASE API)

Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface ContextCustomizer
```
Strategy interface for customizing application contexts that are created and managed by the Spring TestContext Framework.
Customizers are created by ContextCustomizerFactory implementations.
Implementations must implement correct equals and hashCode methods since customizers form part of the MergedContextConfiguration which is used as a cache key.
Since:
4.3
Author:
Phillip Webb, Sam Brannen
See Also:
ContextCustomizerFactory, AbstractContextLoader.customizeContext(org.springframework.context.ConfigurableApplicationContext, org.springframework.test.context.MergedContextConfiguration)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`customizeContext(ConfigurableApplicationContext context, MergedContextConfiguration mergedConfig)`	Customize the supplied `ConfigurableApplicationContext`after bean definitions have been loaded into the context but before the context has been refreshed.

- Method Detail
  - customizeContext
```
void customizeContext(ConfigurableApplicationContext context,
                      MergedContextConfiguration mergedConfig)
```
    Customize the supplied ConfigurableApplicationContextafter bean definitions have been loaded into the context but before the context has been refreshed.
    Parameters:
    context - the context to customize
    mergedConfig - the merged context configuration