test/TBD/Inputs/extension_types.swift

public protocol Foreign {
    func foreignMethod()
    var foreignGet: Int { get }
    var foreignGetSet: Int { get set }
}
public protocol ForeignInherit: Foreign {}
extension ForeignInherit {
    public func foreignMethod() {}
    public var foreignGet: Int { return 0 }
    public var foreignGetSet: Int {
        get { return 0 }
        set {}
    }
}


public struct ForeignStruct {}
public struct ForeignStructInherit {}
public struct ForeignStructInheritNoDefault {}
public struct ForeignStructOneExtension {}