AddNewOmnifocusTask adds a new Omnifocus task.

EnsureTagExists creates a tag in Omnifocus if it doesn't already exist.

MarkOmnifocusTaskComplete marks a task as complete.

TasksForQuery returns a list of tasks from Omnifocus that match the passed query.

NewOmnifocusTask defines a request to create a new task.

Tag represents an Omnifocus tag.

Task represents a task existing in Omnifocus.

TaskQuery defines a query to find Omnifocus tasks.