GrantedAuthoritiesBuilder (birch-security-oauth-spring 1.3.4 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 GrantedAuthoritiesBuilder
```
Defines a method to build granted authorities given the role claim name and the unmarshalled JWT token. The implementation can choose to use the parameters or retrieve and return the granted authorities in an entirely different way, for example via a library routine or from a web service.

Author:

Keivan Khalichi

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Collection<org.springframework.security.core.GrantedAuthority>`	`build(String theRoleClaim, org.springframework.security.oauth2.jwt.Jwt theJWT)`	Builds a collection of `GrantedAuthority` instances from the provided `Jwt` instance.

- Method Detail
  - build
```
Collection<org.springframework.security.core.GrantedAuthority> build(String theRoleClaim,
                                                                     org.springframework.security.oauth2.jwt.Jwt theJWT)
```
    Builds a collection of GrantedAuthority instances from the provided Jwt instance. The theRoleClaim specifies the OAuth2 claim that includes the set of roles provided by the Identity Provider (IdP).
    
    Parameters:
    
    theRoleClaim - the name of the claim containing roles provided by the IdP; claim name is normally configured by the IdP administrator
    
    theJWT - the unmarshalled JWT that was passed as the Bearer HTTP header
    
    Returns:
    
    collection of GrantedAuthority instances, normally SimpleGrantedAuthority