All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addRole(String user, String role)`
`void`	`addRoles(String role, String[] users)`
`void`	`addUser(String username, String password, String[] roles)`
`Principal`	`authenticate(String username, String password)`
`boolean`	`isUserInRole(Principal username, String role)`

public void addRole(String user,
                    String role)

public void addUser(String username,
                    String password,
                    String[] roles)

public void addRoles(String role,
                     String[] users)

public Principal authenticate(String username,
                              String password)
                       throws SecurityException

public boolean isUserInRole(Principal username,
                            String role)

Class SimpleSecurityDomain