Get the issue type hierarchy for a next-gen project.
The issue type hierarchy for a project consists of:
Epic at level 1 (optional).
One or more issue types at level 0 such as Story, Task, or Bug. Where the issue type Epic is defined, these
issue types are used to break down the content of an epic.
Subtask at level -1 (optional). This issue type enables level 0 issue types to be broken down into components.
Issues based on a level -1 issue type must have a parent issue.
Get the issue type hierarchy for a next-gen project.
The issue type hierarchy for a project consists of:
Permissions required: Browse projects project permission for the project.