PermissionChecker (Requirement Yogi 3.3.11 API)

```
public interface PermissionChecker
```
A class that is instantiated with a user and permission, and where the client can just pass a requirement key to be checked. Its most useful feature is that it keeps a cache of the permissions which have already been checked

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`checkPermission(RequirementKey requirement)`
`PermissionException`	`getPermissionException(RequirementKey requirement)`
`com.atlassian.confluence.user.ConfluenceUser`	`getUser()` Just for information purpose, this returns the user
`boolean`	`hasPermission(RequirementKey requirement)` Return true of false depending on whether the user has the permissino on the requirement
`boolean`	`hasPermission(String spaceKey)` Return true of false depending on whether the user has the permissino on all requirements in this space

Interface PermissionChecker