{
    "root":
    [  
        {
            "key": "0",
            "data":{  
                "name":"Applications",
                "size":"100kb",
                "type":"Folder"
            },
            "children":[  
                {  
                    "key": "0-0",
                    "data":{
                        "name":"React",
                        "size":"25kb",
                        "type":"Folder"
                    },
                    "children":[  
                        {  
                            "key": "0-0-0",
                            "data":{  
                                "name":"react.app",
                                "size":"10kb",
                                "type":"Application"
                            }
                        },
                        {  
                            "key": "0-0-1",
                            "data":{  
                                "name":"native.app",
                                "size":"10kb",
                                "type":"Application"
                            }
                        },
                        {  
                            "key": "0-0-2",
                            "data":{  
                                "name":"mobile.app",
                                "size":"5kb",
                                "type":"Application"
                            }
                        }
                    ]
                },
                {  
                    "key": "0-1",
                    "data":{  
                        "name":"editor.app",
                        "size":"25kb",
                        "type":"Application"
                    }
                },
                {  
                    "key": "0-2",
                    "data":{  
                        "name":"settings.app",
                        "size":"50kb",
                        "type":"Application"
                    }
                }
            ]
        },
        {  
            "key": "1",
            "data":{  
                "name":"Cloud",
                "size":"20kb",
                "type":"Folder"
            },
            "children":[  
                {  
                    "key": "1-0",
                    "data":{  
                        "name":"backup-1.zip",
                        "size":"10kb",
                        "type":"Zip"
                    }
                },
                {  
                    "key": "1-1",
                    "data":{  
                        "name":"backup-2.zip",
                        "size":"10kb",
                        "type":"Zip"
                    }
                }
            ]
        },
        {  
            "key": "2",
            "data": {  
                "name":"Desktop",
                "size":"150kb",
                "type":"Folder"
            },
            "children":[  
                {  
                    "key": "2-0",
                    "data":{  
                        "name":"note-meeting.txt",
                        "size":"50kb",
                        "type":"Text"
                    }
                },
                {  
                    "key": "2-1",
                    "data":{  
                        "name":"note-todo.txt",
                        "size":"100kb",
                        "type":"Text"
                    }
                }
            ]
        },
        {  
            "key": "3",
            "data":{  
                "name":"Documents",
                "size":"75kb",
                "type":"Folder"
            },
            "children":[
                {  
                    "key": "3-0",
                    "data":{  
                        "name":"Work",
                        "size":"55kb",
                        "type":"Folder"
                    },
                    "children":[  
                        {  
                            "key": "3-0-0",
                            "data":{  
                                "name":"Expenses.doc",
                                "size":"30kb",
                                "type":"Document"
                            }
                        },
                        {  
                            "key": "3-0-1",
                            "data":{  
                                "name":"Resume.doc",
                                "size":"25kb",
                                "type":"Resume"
                            }
                        }
                    ]
                },
                {  
                    "key": "3-1",
                    "data":{  
                        "name":"Home",
                        "size":"20kb",
                        "type":"Folder"
                    },
                    "children":[  
                        {  
                            "key": "3-1-0",
                            "data":{  
                                "name":"Invoices",
                                "size":"20kb",
                                "type":"Text"
                            }
                        }
                    ]
                }
            ]
        },
        {  
            "key": "4",
            "data": {  
                "name":"Downloads",
                "size":"25kb",
                "type":"Folder"
            },
            "children":[  
                {  
                    "key": "4-0",
                    "data": {  
                        "name":"Spanish",
                        "size":"10kb",
                        "type":"Folder"
                    },
                    "children":[  
                        {  
                            "key": "4-0-0",
                            "data":{  
                                "name":"tutorial-a1.txt",
                                "size":"5kb",
                                "type":"Text"
                            }
                        },
                        {  
                            "key": "4-0-1",
                            "data":{  
                                "name":"tutorial-a2.txt",
                                "size":"5kb",
                                "type":"Text"
                            }
                        }
                    ]
                },
                {  
                    "key": "4-1",
                    "data":{  
                        "name":"Travel",
                        "size":"15kb",
                        "type":"Text"
                    },
                    "children":[  
                        {  
                            "key": "4-1-0",
                            "data":{  
                                "name":"Hotel.pdf",
                                "size":"10kb",
                                "type":"PDF"
                            }
                        },
                        {  
                            "key": "4-1-1",
                            "data":{  
                                "name":"Flight.pdf",
                                "size":"5kb",
                                "type":"PDF"
                            }
                        }
                    ]
                }
            ]
        },
        {  
            "key": "5",
            "data": {  
                "name":"Main",
                "size":"50kb",
                "type":"Folder"
            },
            "children":[  
                {  
                    "key": "5-0",
                    "data":{  
                        "name":"bin",
                        "size":"50kb",
                        "type":"Link"
                    }
                },
                { 
                    "key": "5-1", 
                    "data":{  
                        "name":"etc",
                        "size":"100kb",
                        "type":"Link"
                    }
                },
                {  
                    "key": "5-2",
                    "data":{  
                        "name":"var",
                        "size":"100kb",
                        "type":"Link"
                    }
                }
            ]
        },
        {  
            "key": "6",
            "data":{  
                "name":"Other",
                "size":"5kb",
                "type":"Folder"
            },
            "children":[  
                {  
                    "key": "6-0",
                    "data":{  
                        "name":"todo.txt",
                        "size":"3kb",
                        "type":"Text"
                    }
                },
                {  
                    "key": "6-1",
                    "data":{  
                        "name":"logo.png",
                        "size":"2kb",
                        "type":"Picture"
                    }
                }
            ]
        },
        {  
            "key": "7",
            "data":{  
                "name":"Pictures",
                "size":"150kb",
                "type":"Folder"
            },
            "children":[  
                {  
                    "key": "7-0",
                    "data":{  
                        "name":"barcelona.jpg",
                        "size":"90kb",
                        "type":"Picture"
                    }
                },
                {  
                    "key": "7-1",
                    "data":{  
                        "name":"primeng.png",
                        "size":"30kb",
                        "type":"Picture"
                    }
                },
                {  
                    "key": "7-2",
                    "data":{  
                        "name":"prime.jpg",
                        "size":"30kb",
                        "type":"Picture"
                    }
                }
            ]
        },
        {  
            "key": "8",
            "data":{  
                "name":"Videos",
                "size":"1500kb",
                "type":"Folder"
            },
            "children":[  
                {  
                    "key": "8-0",
                    "data":{  
                        "name":"primefaces.mkv",
                        "size":"1000kb",
                        "type":"Video"
                    }
                },
                {  
                    "key": "8-1",
                    "data":{  
                        "name":"intro.avi",
                        "size":"500kb",
                        "type":"Video"
                    }
                }
            ]
        }
    ]
}