[
    {
        "BTestInterface": {
            "overview":   [ "An overview page for BTestInterface API"]
        },
        "A2TestInterface": {
            "overview":   [ "A2TestInterface overview"]
        },
        "CTestInterface": {
        },
        "ATestInterface": {
            "overview":   [ "An overview page for ATestInterface API"]
        }
    }
]