readWorkflows method
Returns a list of workflows and related statuses by providing workflow names, workflow IDs, or project and issue types.
Permissions required:
- Administer Jira global permission to access all, including project-scoped, workflows
- At least one of the Administer projects and View (read-only) workflow project permissions to access project-scoped workflows
Implementation
Future<WorkflowReadResponse> readWorkflows(
    {String? expand, required WorkflowReadRequest body}) async {
  return WorkflowReadResponse.fromJson(await _client.send(
    'post',
    'rest/api/3/workflows',
    queryParameters: {
      if (expand != null) 'expand': expand,
    },
    body: body.toJson(),
  ));
}