style extensibility fill:#c2e0f4,stroke:#3498db,stroke-width:2px,color:#000;
    extensibility --> core
    extensibility --> jvm

    subgraph native["native platform"]
    end
    style native fill:#c2e0f4,stroke:#3498db,stroke-width:2px,color:#000;
    native --> core
    native --> software

    enterprise["enterprise module"]
    style enterprise stroke:#1abc9c,fill:#b1f4e7,stroke-width:2px,color:#000;