com.atlassian.jira.project
Interfaces 
Project
ProjectCategory
ProjectCategoryStore
ProjectFactory
ProjectKeys
ProjectManager
ProjectRelationConstants
Classes 
AbstractProjectManager
AssigneeTypes
CachingProjectManager
ComponentAssigneeTypes
DefaultProjectFactory
DefaultProjectManager
MockProject
MockProjectFactory
ProjectAssigneeTypes
ProjectCache
ProjectCategoryImpl
ProjectCategoryStoreImpl
ProjectHistoryLinkFactory
ProjectImpl
ProjectKeyRegexValidator
VersionProxy
Exceptions 
DefaultAssigneeException