Create handle requirements to create annotations with annotation struct.

Delete handle deletion of annotation viariable with deleteAnnotation struct.

GetAnnotationIDForUnitTesting in only for unit testing purpose and will return annotation_id field.

List handle requirements to read projects with getProjects struct.

ListByProjectID handle requirements to list annotations by project id.

Read handle requirements to read annotations with getAnnotations struct.

Search handle requirements to search projects with searchProjects struct.

Update handle requirements to update projects with updateAnnotation struct.