# Should correctly load a third-party diagram using registerDiagram

    mindmap
      root
        A
        B
        C
        D
        E
        A2
        B2
        C2
        D2
        E2
        child1((Circle))
            grandchild 1
            grandchild 2
        child2(Round rectangle)
            grandchild 3
            grandchild 4
        child3[Square]
            grandchild 5
            ::icon(mdi mdi-fire)
            gc6((grand
    child 6))
            ::icon(mdi mdi-fire)
              gc7((grand
    grand
    child 8))