com.atlassian.jira.security
Interfaces 
GlobalPermissionManager
JiraAuthenticationContext
JiraPermission
PermissionManager
SecurityTypeManager
Classes 
AbstractPermissionManager
AbstractSecurityTypeManager
DefaultGlobalPermissionManager
DefaultPermissionManager
GlobalPermissionsCache
JiraAuthenticationContextImpl
JiraPermissionImpl
JiraRoleMapper
JiraSecurityFilter
Permissions
RequestCacheKeys
SubvertedPermissionManager
ThreadLocalCachingPermissionManager
WorkflowBasedPermissionManager
Enums 
Permissions.Permission
Permissions.Type