# Uses of Package
org.activiti.engine.task

- Packages that use org.activiti.engine.task
  Package | Description
  --- | ---
  org.activiti.engine | Public API of the Activiti engine. Typical usage of the API starts by the creation of a `ProcessEngineConfiguration` (typically based on a configuration file), from which a `ProcessEngine` can be obtained. Through the services obtained from such a `ProcessEngine`, BPM and workflow operation can be executed: `RepositoryService`: Manages `Deployment`s `RuntimeService`: For starting and searching `ProcessInstance`s `TaskService`: Exposes operations to manage human (standalone) `Task`s, such as claiming, completing and assigning tasks `IdentityService`: Used for managing `User`s, `Group`s and the relations between them `ManagementService`: Exposes engine admin and maintenance operations, which have no relation to the runtime exection of business processes `HistoryService`: Exposes information about ongoing and past process instances. `FormService`: Access to form data and rendered forms for starting new process instances and completing tasks.
  org.activiti.engine.delegate | Interfaces used to include Java code in a process as the behavior of an activity or as a listener to process events with `JavaDelegate`s.
  org.activiti.engine.form | Classes related to the `FormService`.
  org.activiti.engine.history | Classes related to the `HistoryService`.
  org.activiti.engine.task | Classes related to the `TaskService`.

- Classes in org.activiti.engine.task used by org.activiti.engine
  Class and Description
  Attachment Any type of content that is be associated with a task or with a process instance.
  Comment User comments that form discussions around tasks.
  Event Exposes twitter-like feeds for tasks and process instances.
  IdentityLink An identity link is used to associate a task with a certain identity.
  NativeTaskQuery Allows querying of `Task`s via native (SQL) queries
  Task Represents one task for a human user.
  TaskQuery Allows programmatic querying of `Task`s;

- Classes in org.activiti.engine.task used by org.activiti.engine.delegate
  Class and Description
  DelegationState Defines the different states of delegation that a task can be in.
  IdentityLink An identity link is used to associate a task with a certain identity.

- Classes in org.activiti.engine.task used by org.activiti.engine.form
  Class and Description
  Task Represents one task for a human user.

- Classes in org.activiti.engine.task used by org.activiti.engine.history
  Class and Description
  TaskInfo
  TaskInfoQuery Interface containing shared methods between the `TaskQuery` and the `HistoricTaskInstanceQuery`.

- Classes in org.activiti.engine.task used by org.activiti.engine.task
  Class and Description
  DelegationState Defines the different states of delegation that a task can be in.
  TaskInfo
  TaskInfoQuery Interface containing shared methods between the `TaskQuery` and the `HistoricTaskInstanceQuery`.
  TaskQuery Allows programmatic querying of `Task`s;

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