objectAPI.getCases(inProjectWithId: 5) { (outcome) in
        switch outcome {
        case .failure(let error):
            print(error.debugDescription)
        case .success(let cases):
            print(cases) // Do something with cases.
        }
    }

    let section: Section = ...
    let newCase = NewCase(estimate: nil, milestoneId: nil, priorityId: nil, refs: nil, templateId: nil, title: "New Case Title", typeId: nil, customFields: nil)
    
    objectAPI.addCase(newCase, to: section) { (outcome) in
        switch outcome {
        case .failure(let error):
            print(error.debugDescription)
        case .success(let `case`):
            print(`case`.title) // Do something with the newly created `case`.
        }
    }

    var suite: Suite = ...
    suite.description = "Updated description for this suite."
    suite.name = "Updated name of this suite."
    
    objectAPI.updateSuite(suite) { (outcome) in
        switch outcome {
        case .failure(let error):
            print(error.debugDescription)
        case .success(let updatedSuite):
            print(updatedSuite.description) // "Updated description for this suite."
            print(updatedSuite.name) // "Updated name of this suite."
        }
    }

    let section: Section = ...
    
    objectAPI.deleteSection(section) { (outcome) in
        switch outcome {
        case .failure(let error):
            print(error.debugDescription)
        case .success(_): // nil on successful deletes
            print("The section has been successfully deleted.")
        }
    }

    let plan: Plan = ...
    
    objectAPI.closePlan(plan) { (outcome) in
        switch outcome {
        case .failure(let error):
            print(error.debugDescription)
        case .success(let closedPlan):
            print(closedPlan.isCompleted) // true
            print(closedPlan.completedOn) // timestamp
        }
    }

    let milestone: Milestone = ...
    
    milestone.parent(objectAPI) { (outcome) in
        switch outcome {
        case .failure(let error):
            print(error.debugDescription)
        case .success(let optionalParent):
            if let parent = optionalParent {
                print("Milestone \(milestone.id) has a parent with an id of \(parent.id).")
            } else {
                print("Milestone \(milestone.id) does not have a parent.")
            }
        }
    }

    let filters = [Filter(named: "is_completed", matching: true)]
    
    objectAPI.getRuns(inProjectWithId: 3, filteredBy: filters) { (outcome) in
        switch outcome {
        case .failure(let error):
            print(error.debugDescription)
        case .success(let completedRuns):
            for completedRun in completedRuns {
                print(completedRun.isCompleted) // true
            }
        }
    }

    let project: Project = ...
    let filters = [Filter(named: "offset", matching: 3),
                   Filter(named: "limit", matching: 5)]
    
    objectAPI.getPlans(in: project, filteredBy: filters) { (outcome) in
        switch outcome {
        case .failure(let error):
            print(error.debugDescription)
        case .success(let plans): // There will be 5 or less plans.
            for plan in plans {
                print(plan.name)
            }
        }
    }