Credentials (security 0.9.1 API)

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

DefaultCredentials
```
public interface Credentials
extends java.io.Serializable
```
This interface represents the credentials passed to Pravega for authentication and authorizing the access. All implementations must support Java serialization.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getAuthenticationToken()`	Returns the authorization token to be sent to Pravega.
`java.lang.String`	`getAuthenticationType()`	Returns the authentication type.

- Method Detail
  - getAuthenticationType
```
java.lang.String getAuthenticationType()
```
    Returns the authentication type. Pravega can support multiple authentication types in a single deployment.
    
    Returns:
    
    the authentication type expected by the these credentials.
  - getAuthenticationToken
```
java.lang.String getAuthenticationToken()
```
    Returns the authorization token to be sent to Pravega.
    
    Returns:
    
    A token in token68-compatible format (as defined by RFC 7235).