CONCEPT_MAP_JSON = """
{
  "central_node": "Artificial Intelligence (AI)",
  "nodes": [
    {
      "id": "ml_fundamental",
      "label": "Machine Learning",
      "relationship": "is essential for",
      "subnodes": [
        {
          "id": "dl_branch",
          "label": "Deep Learning",
          "relationship": "for example",
          "subnodes": [
            {
              "id": "cnn_example",
              "label": "CNNs",
              "relationship": "for example"
            },
            {
              "id": "rnn_example",
              "label": "RNNs",
              "relationship": "for example"
            }
          ]
        },
        {
          "id": "rl_branch",
          "label": "Reinforcement Learning",
          "relationship": "for example",
          "subnodes": [
            {
              "id": "qlearning_example",
              "label": "Q-Learning",
              "relationship": "example"
            },
            {
              "id": "pg_example",
              "label": "Policy Gradients",
              "relationship": "example"
            }
          ]
        }
      ]
    },
    {
      "id": "ai_types",
      "label": "Types",
      "relationship": "formed by",
      "subnodes": [
        {
          "id": "agi_type",
          "label": "AGI",
          "relationship": "this is",
          "subnodes": [
            {
              "id": "strong_ai",
              "label": "Strong AI",
              "relationship": "provoked by",
              "subnodes": [
                {
                  "id": "human_intel",
                  "label": "Human-level Intel.",
                  "relationship": "of"
                }
              ]
            }
          ]
        },
        {
          "id": "ani_type",
          "label": "ANI",
          "relationship": "this is",
          "subnodes": [
            {
              "id": "weak_ai",
              "label": "Weak AI",
              "relationship": "provoked by",
              "subnodes": [
                {
                  "id": "narrow_tasks",
                  "label": "Narrow Tasks",
                  "relationship": "of"
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "id": "ai_capabilities",
      "label": "Capabilities",
      "relationship": "change",
      "subnodes": [
        {
          "id": "data_proc",
          "label": "Data Processing",
          "relationship": "can",
          "subnodes": [
            {
              "id": "big_data",
              "label": "Big Data",
              "relationship": "as",
              "subnodes": [
                {
                  "id": "analysis_example",
                  "label": "Data Analysis",
                  "relationship": "example"
                },
                {
                  "id": "prediction_example",
                  "label": "Prediction",
                  "relationship": "example"
                }
              ]
            }
          ]
        },
        {
          "id": "decision_making",
          "label": "Decision Making",
          "relationship": "can be",
          "subnodes": [
            {
              "id": "automation",
              "label": "Automation",
              "relationship": "as",
              "subnodes": [
                {
                  "id": "robotics_example",
                  "label": "Robotics",
                  "relationship": "Example"},
                {
                  "id": "autonomous_example",
                  "label": "Autonomous Vehicles",
                  "relationship": "of one"
                }
              ]
            }
          ]
        },
        {
          "id": "problem_solving",
          "label": "Problem Solving",
          "relationship": "can",
          "subnodes": [
            {
              "id": "optimization",
              "label": "Optimization",
              "relationship": "as is",
              "subnodes": [
                {
                  "id": "algorithms_example",
                  "label": "Algorithms",
                  "relationship": "for example"
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}
"""

SYNOPTIC_CHART_JSON = """
{
  "central_node": "AI Project Lifecycle",
  "nodes": [
    {
      "id": "phase1",
      "label": "I. Problem Definition & Data Acquisition",
      "relationship": "Starts with",
      "subnodes": [
        {
          "id": "sub1_1",
          "label": "1. Problem Formulation",
          "relationship": "Involves",
          "subnodes": [
            {"id": "sub1_1_1", "label": "1.1. Identify Business Need", "relationship": "e.g."},
            {"id": "sub1_1_2", "label": "1.2. Define KPIs", "relationship": "e.g."}
          ]
        },
        {
          "id": "sub1_2",
          "label": "2. Data Collection",
          "relationship": "Followed by",
          "subnodes": [
            {"id": "sub1_2_1", "label": "2.1. Source Data", "relationship": "from"},
            {"id": "sub1_2_2", "label": "2.2. Data Cleaning", "relationship": "includes"}
          ]
        }
      ]
    },
    {
      "id": "phase2",
      "label": "II. Model Development",
      "relationship": "Proceeds to",
      "subnodes": [
        {
          "id": "sub2_1",
          "label": "1. Feature Engineering",
          "relationship": "Comprises",
          "subnodes": [
            {"id": "sub2_1_1", "label": "1.1. Feature Selection", "relationship": "e.g."},
            {"id": "sub2_1_2", "label": "1.2. Feature Transformation", "relationship": "e.g."}
          ]
        },
        {
          "id": "sub2_2",
          "label": "2. Model Training",
          "relationship": "Involves",
          "subnodes": [
            {"id": "sub2_2_1", "label": "2.1. Algorithm Selection", "relationship": "uses"},
            {"id": "sub2_2_2", "label": "2.2. Hyperparameter Tuning", "relationship": "optimizes"}
          ]
        }
      ]
    },
    {
      "id": "phase3",
      "label": "III. Evaluation & Deployment",
      "relationship": "Culminates in",
      "subnodes": [
        {
          "id": "sub3_1",
          "label": "1. Model Evaluation",
          "relationship": "Includes",
          "subnodes": [
            {"id": "sub3_1_1", "label": "1.1. Performance Metrics", "relationship": "measures"},
            {"id": "sub3_1_2", "label": "1.2. Bias & Fairness Audits", "relationship": "ensures"}
          ]
        },
        {
          "id": "sub3_2",
          "label": "2. Deployment & Monitoring",
          "relationship": "Requires",
          "subnodes": [
            {"id": "sub3_2_1", "label": "2.1. API/Integration Development", "relationship": "for"},
            {"id": "sub3_2_2", "label": "2.2. Continuous Monitoring", "relationship": "ensures"}
          ]
        }
      ]
    }
  ]
}
"""

RADIAL_DIAGRAM_JSON = """
{
  "central_node": "Artificial Intelligence",
  "nodes": [
    {
      "id": "machine_learning",
      "label": "Machine Learning",
      "relationship": "learns through",
      "subnodes": [
        {"id": "supervised", "label": "Supervised Learning", "relationship": "e.g."},
        {"id": "unsupervised", "label": "Unsupervised Learning", "relationship": "e.g."},
        {"id": "reinforcement", "label": "Reinforcement Learning", "relationship": "e.g."}
      ]
    },
    {
      "id": "neural_networks",
      "label": "Neural Networks",
      "relationship": "built with",
      "subnodes": [
        {"id": "deep_learning", "label": "Deep Learning", "relationship": "e.g."},
        {"id": "cnns", "label": "CNNs", "relationship": "e.g."},
        {"id": "transformers", "label": "Transformers", "relationship": "e.g."}
      ]
    },
    {
      "id": "ai_applications",
      "label": "AI Applications",
      "relationship": "applied in",
      "subnodes": [
        {"id": "nlp", "label": "Natural Language Processing", "relationship": "e.g."},
        {"id": "computer_vision", "label": "Computer Vision", "relationship": "e.g."},
        {"id": "robotics", "label": "Robotics", "relationship": "e.g."}
      ]
    },
    {
      "id": "ai_ethics",
      "label": "AI Ethics",
      "relationship": "guided by",
      "subnodes": [
        {"id": "bias_fairness", "label": "Bias & Fairness", "relationship": "e.g."},
        {"id": "explainability", "label": "Explainability", "relationship": "e.g."},
        {"id": "privacy", "label": "Privacy Protection", "relationship": "e.g."}
      ]
    },
    {
      "id": "future_ai",
      "label": "Future AI",
      "relationship": "evolving toward",
      "subnodes": [
        {"id": "agi", "label": "Artificial General Intelligence", "relationship": "e.g."},
        {"id": "quantum_ai", "label": "Quantum AI", "relationship": "e.g."},
        {"id": "brain_interfaces", "label": "Brain-Computer Interfaces", "relationship": "e.g."}
      ]
    }
  ]
}
"""

PROCESS_FLOW_JSON = """
{
  "start_node": "Start Email Send",
  "nodes": [
    {
      "id": "enter_email_address",
      "label": "Enter Email Address",
      "type": "io"
    },
    {
      "id": "write_message",
      "label": "Write Message",
      "type": "io"
    },
    {
      "id": "validate_email",
      "label": "Check Email Format",
      "type": "process"
    },
    {
      "id": "email_valid",
      "label": "Valid Email?",
      "type": "decision"
    },
    {
      "id": "send_email",
      "label": "Send Email",
      "type": "process"
    },
    {
      "id": "save_to_sent",
      "label": "Save to Sent Folder",
      "type": "document"
    },
    {
      "id": "show_success",
      "label": "Show Success Message",
      "type": "io"
    },
    {
      "id": "show_error",
      "label": "Show Error Message",
      "type": "io"
    },
    {
      "id": "end_process",
      "label": "End Process",
      "type": "end"
    }
  ],
  "connections": [
    {"from": "Start Email Send", "to": "enter_email_address", "label": "Start"},
    {"from": "enter_email_address", "to": "write_message", "label": "Email Entered"},
    {"from": "write_message", "to": "validate_email", "label": "Message Written"},
    {"from": "validate_email", "to": "email_valid", "label": "Validation Complete"},
    {"from": "email_valid", "to": "send_email", "label": "Valid"},
    {"from": "email_valid", "to": "show_error", "label": "Invalid"},
    {"from": "send_email", "to": "save_to_sent", "label": "Email Sent"},
    {"from": "save_to_sent", "to": "show_success", "label": "Saved"},
    {"from": "show_success", "to": "end_process", "label": "Success"},
    {"from": "show_error", "to": "end_process", "label": "Error"}
  ]
}
"""

WBS_DIAGRAM_JSON = """
{
  "project_title": "AI Model Development Project",
  "phases": [
    {
      "id": "phase_prep",
      "label": "Preparation",
      "tasks": [
        {
          "id": "task_1_1_vision",
          "label": "Identify Vision",
          "subtasks": [
            {
              "id": "subtask_1_1_1_design_staff",
              "label": "Design & Staffing",
              "sub_subtasks": [
                {
                  "id": "ss_task_1_1_1_1_env_setup",
                  "label": "Environment Setup",
                  "sub_sub_subtasks": [
                    {
                      "id": "sss_task_1_1_1_1_1_lib_install",
                      "label": "Install Libraries",
                      "final_level_tasks": [
                        {"id": "ft_1_1_1_1_1_1_data_access", "label": "Grant Data Access"}
                      ]
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "id": "phase_plan",
      "label": "Planning",
      "tasks": [
        {
          "id": "task_2_1_cost_analysis",
          "label": "Cost Analysis",
          "subtasks": [
            {
              "id": "subtask_2_1_1_benefit_analysis",
              "label": "Benefit Analysis",
              "sub_subtasks": [
                {
                  "id": "ss_task_2_1_1_1_risk_assess",
                  "label": "AI Risk Assessment",
                  "sub_sub_subtasks": [
                    {
                      "id": "sss_task_2_1_1_1_1_model_selection",
                      "label": "Model Selection",
                      "final_level_tasks": [
                        {"id": "ft_2_1_1_1_1_1_data_strategy", "label": "Data Strategy"}
                      ]
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "id": "phase_dev",
      "label": "Development",
      "tasks": [
        {
          "id": "task_3_1_change_mgmt",
          "label": "Data Preprocessing",
          "subtasks": [
            {
              "id": "subtask_3_1_1_implementation",
              "label": "Feature Engineering",
              "sub_subtasks": [
                {
                  "id": "ss_task_3_1_1_1_beta_testing",
                  "label": "Model Training",
                  "sub_sub_subtasks": [
                    {
                      "id": "sss_task_3_1_1_1_1_other_task",
                      "label": "Model Evaluation",
                      "final_level_tasks": [
                        {"id": "ft_3_1_1_1_1_1_hyperparam_tune", "label": "Hyperparameter Tuning"}
                      ]
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}

"""

TIMELINE_JSON = """
{
  "title": "Complete History of Artificial Intelligence",
  "events_per_row": 4,
  "events": [
    {
      "id": "event_1",
      "label": "AI Concept Birth",
      "date": "1943",
      "description": "McCulloch & Pitts neural network model"
    },
    {
      "id": "event_2",
      "label": "Turing Test",
      "date": "1950",
      "description": "Alan Turing proposes machine intelligence test"
    },
    {
      "id": "event_3",
      "label": "Dartmouth Conference",
      "date": "1956",
      "description": "Term 'Artificial Intelligence' coined"
    },
    {
      "id": "event_4",
      "label": "First AI Program",
      "date": "1957",
      "description": "General Problem Solver (GPS) created"
    },
    {
      "id": "event_5",
      "label": "Perceptron Algorithm",
      "date": "1958",
      "description": "Frank Rosenblatt develops perceptron"
    },
    {
      "id": "event_6",
      "label": "LISP Programming",
      "date": "1959",
      "description": "John McCarthy creates LISP for AI"
    },
    {
      "id": "event_7",
      "label": "Expert Systems",
      "date": "1965",
      "description": "DENDRAL - first expert system"
    },
    {
      "id": "event_8",
      "label": "AI Winter Begins",
      "date": "1974",
      "description": "Funding cuts due to unmet expectations"
    },
    {
      "id": "event_9",
      "label": "Backpropagation",
      "date": "1986",
      "description": "Algorithm for training neural networks"
    },
    {
      "id": "event_10",
      "label": "Deep Blue Victory",
      "date": "1997",
      "description": "IBM computer defeats chess champion"
    },
    {
      "id": "event_11",
      "label": "Machine Learning Boom",
      "date": "2000s",
      "description": "Support Vector Machines, Random Forests"
    },
    {
      "id": "event_12",
      "label": "Deep Learning Revival",
      "date": "2006",
      "description": "Geoffrey Hinton's deep belief networks"
    },
    {
      "id": "event_13",
      "label": "ImageNet Challenge",
      "date": "2012",
      "description": "AlexNet wins with deep CNN"
    },
    {
      "id": "event_14",
      "label": "AlphaGo Triumph",
      "date": "2016",
      "description": "DeepMind defeats Go world champion"
    },
    {
      "id": "event_15",
      "label": "Transformer Architecture",
      "date": "2017",
      "description": "Attention Is All You Need paper"
    },
    {
      "id": "event_16",
      "label": "GPT Era Begins",
      "date": "2018-2023",
      "description": "Large Language Models revolution"
    }
  ]
}
"""

BINARY_TREE_JSON = """
{
  "root": {
    "id": "root",
    "label": "50",
    "left": {
      "id": "left_1",
      "label": "30",
      "left": {
        "id": "left_2",
        "label": "20",
        "left": {
          "id": "left_4",
          "label": "10"
        },
        "right": {
          "id": "right_4",
          "label": "25"
        }
      },
      "right": {
        "id": "right_2",
        "label": "40",
        "left": {
          "id": "left_5",
          "label": "35"
        },
        "right": {
          "id": "right_5",
          "label": "45"
        }
      }
    },
    "right": {
      "id": "right_1",
      "label": "70",
      "left": {
        "id": "left_3",
        "label": "60",
        "left": {
          "id": "left_6",
          "label": "55"
        },
        "right": {
          "id": "right_6",
          "label": "65"
        }
      },
      "right": {
        "id": "right_3",
        "label": "80",
        "left": {
          "id": "left_7",
          "label": "75"
        },
        "right": {
          "id": "right_7",
          "label": "90"
        }
      }
    }
  }
}
"""

NETWORK_GRAPH_JSON = """
{
  "nodes": [
    {"id": "customers", "label": "Customers", "type": "user"},
    {"id": "sellers", "label": "Sellers", "type": "user"},
    {"id": "admin", "label": "Admin", "type": "user"},
    {"id": "web_frontend", "label": "Web Frontend", "type": "server"},
    {"id": "product_service", "label": "Product Service", "type": "service"},
    {"id": "cart_service", "label": "Cart Service", "type": "service"},
    {"id": "order_service", "label": "Order Service", "type": "service"},
    {"id": "payment_service", "label": "Payment Service", "type": "service"},
    {"id": "inventory_tracker", "label": "Inventory Tracker", "type": "service"},
    {"id": "review_system", "label": "Review System", "type": "service"},
    {"id": "email_sender", "label": "Email Sender", "type": "service"},
    {"id": "image_uploader", "label": "Image Uploader", "type": "service"},
    {"id": "product_db", "label": "Product Database", "type": "database"},
    {"id": "user_db", "label": "User Database", "type": "database"},
    {"id": "order_db", "label": "Order Database", "type": "database"},
    {"id": "image_storage", "label": "Image Storage", "type": "database"},
    {"id": "stripe_api", "label": "Stripe API", "type": "service"}
  ],
  "connections": [
    {"from": "customers", "to": "web_frontend", "label": "Browse", "weight": 5},
    {"from": "sellers", "to": "web_frontend", "label": "Manage Store", "weight": 3},
    {"from": "admin", "to": "web_frontend", "label": "Admin Panel", "weight": 2},
    {"from": "web_frontend", "to": "product_service", "label": "Get Products", "weight": 4},
    {"from": "web_frontend", "to": "cart_service", "label": "Cart Actions", "weight": 4},
    {"from": "web_frontend", "to": "order_service", "label": "Place Order", "weight": 3},
    {"from": "product_service", "to": "product_db", "label": "Product Data", "weight": 4},
    {"from": "product_service", "to": "review_system", "label": "Product Reviews", "weight": 2},
    {"from": "cart_service", "to": "inventory_tracker", "label": "Check Stock", "weight": 3},
    {"from": "order_service", "to": "order_db", "label": "Store Order", "weight": 4},
    {"from": "order_service", "to": "payment_service", "label": "Process Payment", "weight": 4},
    {"from": "order_service", "to": "email_sender", "label": "Order Confirmation", "weight": 2},
    {"from": "payment_service", "to": "stripe_api", "label": "Charge Card", "weight": 4},
    {"from": "inventory_tracker", "to": "product_db", "label": "Update Stock", "weight": 3},
    {"from": "review_system", "to": "user_db", "label": "User Reviews", "weight": 2},
    {"from": "sellers", "to": "image_uploader", "label": "Upload Images", "weight": 2},
    {"from": "image_uploader", "to": "image_storage", "label": "Store Images", "weight": 3}
  ]
}
"""

CLASS_DIAGRAM_JSON = """
{
  "classes": [
    {
      "name": "Vehicle",
      "type": "abstract",
      "attributes": [
        {"name": "id", "type": "String", "visibility": "-"},
        {"name": "brand", "type": "String", "visibility": "#"},
        {"name": "model", "type": "String", "visibility": "#"},
        {"name": "year", "type": "int", "visibility": "#"},
        {"name": "price", "type": "double", "visibility": "+"},
        {"name": "vehicleCount", "type": "int", "visibility": "+", "static": true}
      ],
      "methods": [
        {"name": "Vehicle", "parameters": [{"name": "brand", "type": "String"}, {"name": "model", "type": "String"}], "return_type": "Vehicle", "visibility": "+"},
        {"name": "startEngine", "return_type": "void", "visibility": "+", "abstract": true},
        {"name": "stopEngine", "return_type": "void", "visibility": "+"},
        {"name": "getPrice", "return_type": "double", "visibility": "+"},
        {"name": "setPrice", "parameters": [{"name": "price", "type": "double"}], "return_type": "void", "visibility": "+"},
        {"name": "getTotalVehicles", "return_type": "int", "visibility": "+", "static": true}
      ]
    },
    {
      "name": "Car",
      "type": "class",
      "attributes": [
        {"name": "doors", "type": "int", "visibility": "-"},
        {"name": "transmission", "type": "TransmissionType", "visibility": "-"},
        {"name": "fuelType", "type": "FuelType", "visibility": "-"}
      ],
      "methods": [
        {"name": "Car", "parameters": [{"name": "brand", "type": "String"}, {"name": "model", "type": "String"}, {"name": "doors", "type": "int"}], "return_type": "Car", "visibility": "+"},
        {"name": "startEngine", "return_type": "void", "visibility": "+"},
        {"name": "openTrunk", "return_type": "void", "visibility": "+"},
        {"name": "getDoors", "return_type": "int", "visibility": "+"},
        {"name": "setTransmission", "parameters": [{"name": "transmission", "type": "TransmissionType"}], "return_type": "void", "visibility": "+"}
      ]
    },
    {
      "name": "Motorcycle",
      "type": "class",
      "attributes": [
        {"name": "engineSize", "type": "int", "visibility": "-"},
        {"name": "hasWindshield", "type": "boolean", "visibility": "-"}
      ],
      "methods": [
        {"name": "Motorcycle", "parameters": [{"name": "brand", "type": "String"}, {"name": "model", "type": "String"}], "return_type": "Motorcycle", "visibility": "+"},
        {"name": "startEngine", "return_type": "void", "visibility": "+"},
        {"name": "wheelie", "return_type": "void", "visibility": "+"},
        {"name": "getEngineSize", "return_type": "int", "visibility": "+"}
      ]
    },
    {
      "name": "Engine",
      "type": "class",
      "attributes": [
        {"name": "horsepower", "type": "int", "visibility": "-"},
        {"name": "cylinders", "type": "int", "visibility": "-"},
        {"name": "fuelType", "type": "FuelType", "visibility": "-"}
      ],
      "methods": [
        {"name": "Engine", "parameters": [{"name": "horsepower", "type": "int"}, {"name": "cylinders", "type": "int"}], "return_type": "Engine", "visibility": "+"},
        {"name": "start", "return_type": "boolean", "visibility": "+"},
        {"name": "stop", "return_type": "void", "visibility": "+"},
        {"name": "getHorsepower", "return_type": "int", "visibility": "+"}
      ]
    },
    {
      "name": "TransmissionType",
      "type": "enum",
      "attributes": [
        {"name": "MANUAL", "type": "TransmissionType", "visibility": "+", "static": true},
        {"name": "AUTOMATIC", "type": "TransmissionType", "visibility": "+", "static": true},
        {"name": "CVT", "type": "TransmissionType", "visibility": "+", "static": true}
      ],
      "methods": []
    },
    {
      "name": "FuelType",
      "type": "enum",
      "attributes": [
        {"name": "GASOLINE", "type": "FuelType", "visibility": "+", "static": true},
        {"name": "DIESEL", "type": "FuelType", "visibility": "+", "static": true},
        {"name": "ELECTRIC", "type": "FuelType", "visibility": "+", "static": true},
        {"name": "HYBRID", "type": "FuelType", "visibility": "+", "static": true}
      ],
      "methods": []
    },
    {
      "name": "VehicleService",
      "type": "interface",
      "attributes": [],
      "methods": [
        {"name": "maintenance", "parameters": [{"name": "vehicle", "type": "Vehicle"}], "return_type": "void", "visibility": "+", "abstract": true},
        {"name": "repair", "parameters": [{"name": "vehicle", "type": "Vehicle"}, {"name": "issue", "type": "String"}], "return_type": "boolean", "visibility": "+", "abstract": true},
        {"name": "inspectVehicle", "parameters": [{"name": "vehicle", "type": "Vehicle"}], "return_type": "InspectionReport", "visibility": "+", "abstract": true}
      ]
    },
    {
      "name": "GarageService",
      "type": "class",
      "attributes": [
        {"name": "garageName", "type": "String", "visibility": "-"},
        {"name": "location", "type": "String", "visibility": "-"}
      ],
      "methods": [
        {"name": "GarageService", "parameters": [{"name": "name", "type": "String"}], "return_type": "GarageService", "visibility": "+"},
        {"name": "maintenance", "parameters": [{"name": "vehicle", "type": "Vehicle"}], "return_type": "void", "visibility": "+"},
        {"name": "repair", "parameters": [{"name": "vehicle", "type": "Vehicle"}, {"name": "issue", "type": "String"}], "return_type": "boolean", "visibility": "+"},
        {"name": "inspectVehicle", "parameters": [{"name": "vehicle", "type": "Vehicle"}], "return_type": "InspectionReport", "visibility": "+"}
      ]
    }
  ],
  "relationships": [
    {
      "from": "Car",
      "to": "Vehicle",
      "type": "inheritance"
    },
    {
      "from": "Motorcycle",
      "to": "Vehicle",
      "type": "inheritance"
    },
    {
      "from": "Car",
      "to": "Engine",
      "type": "composition",
      "multiplicity_from": "1",
      "multiplicity_to": "1"
    },
    {
      "from": "Motorcycle",
      "to": "Engine",
      "type": "composition",
      "multiplicity_from": "1",
      "multiplicity_to": "1"
    },
    {
      "from": "Car",
      "to": "TransmissionType",
      "type": "association",
      "multiplicity_from": "1",
      "multiplicity_to": "1"
    },
    {
      "from": "Vehicle",
      "to": "FuelType",
      "type": "association",
      "multiplicity_from": "1",
      "multiplicity_to": "1"
    },
    {
      "from": "GarageService",
      "to": "VehicleService",
      "type": "realization"
    },
    {
      "from": "GarageService",
      "to": "Vehicle",
      "type": "dependency",
      "multiplicity_from": "1",
      "multiplicity_to": "*"
    }
  ]
}
"""

ENTITY_RELATIONSHIP_JSON = """
{
  "entities": [
    {
      "name": "User",
      "type": "strong",
      "attributes": [
        {
          "name": "user_id",
          "type": "primary_key"
        },
        {
          "name": "username",
          "type": "regular"
        },
        {
          "name": "email",
          "type": "regular"
        },
        {
          "name": "password_hash",
          "type": "regular"
        },
        {
          "name": "full_name",
          "type": "composite"
        },
        {
          "name": "phone_numbers",
          "type": "multivalued"
        },
        {
          "name": "age",
          "type": "derived"
        }
      ]
    },
    {
      "name": "Product",
      "type": "strong",
      "attributes": [
        {
          "name": "product_id",
          "type": "primary_key"
        },
        {
          "name": "name",
          "type": "regular"
        },
        {
          "name": "description",
          "type": "regular"
        },
        {
          "name": "price",
          "type": "regular"
        },
        {
          "name": "stock_quantity",
          "type": "regular"
        },
        {
          "name": "tags",
          "type": "multivalued"
        }
      ]
    },
    {
      "name": "Category",
      "type": "strong",
      "attributes": [
        {
          "name": "category_id",
          "type": "primary_key"
        },
        {
          "name": "name",
          "type": "regular"
        },
        {
          "name": "description",
          "type": "regular"
        }
      ]
    },
    {
      "name": "Order",
      "type": "strong",
      "attributes": [
        {
          "name": "order_id",
          "type": "primary_key"
        },
        {
          "name": "order_date",
          "type": "regular"
        },
        {
          "name": "status",
          "type": "regular"
        },
        {
          "name": "total_amount",
          "type": "derived"
        },
        {
          "name": "shipping_address",
          "type": "composite"
        }
      ]
    },
    {
      "name": "OrderItem",
      "type": "weak",
      "attributes": [
        {
          "name": "line_number",
          "type": "partial_key"
        },
        {
          "name": "quantity",
          "type": "regular"
        },
        {
          "name": "unit_price",
          "type": "regular"
        },
        {
          "name": "subtotal",
          "type": "derived"
        }
      ]
    },
    {
      "name": "Payment",
      "type": "strong",
      "attributes": [
        {
          "name": "payment_id",
          "type": "primary_key"
        },
        {
          "name": "amount",
          "type": "regular"
        },
        {
          "name": "payment_method",
          "type": "regular"
        },
        {
          "name": "payment_date",
          "type": "regular"
        },
        {
          "name": "status",
          "type": "regular"
        }
      ]
    },
    {
      "name": "Review",
      "type": "strong",
      "attributes": [
        {
          "name": "review_id",
          "type": "primary_key"
        },
        {
          "name": "rating",
          "type": "regular"
        },
        {
          "name": "comment",
          "type": "regular"
        },
        {
          "name": "review_date",
          "type": "regular"
        }
      ]
    },
    {
      "name": "Vendor",
      "type": "strong",
      "attributes": [
        {
          "name": "vendor_id",
          "type": "primary_key"
        },
        {
          "name": "company_name",
          "type": "regular"
        },
        {
          "name": "contact_person",
          "type": "regular"
        },
        {
          "name": "contact_emails",
          "type": "multivalued"
        },
        {
          "name": "business_address",
          "type": "composite"
        }
      ]
    },
    {
      "name": "ShoppingCart",
      "type": "strong",
      "attributes": [
        {
          "name": "cart_id",
          "type": "primary_key"
        },
        {
          "name": "created_date",
          "type": "regular"
        },
        {
          "name": "last_updated",
          "type": "regular"
        },
        {
          "name": "total_items",
          "type": "derived"
        }
      ]
    },
    {
      "name": "CartItem",
      "type": "weak",
      "attributes": [
        {
          "name": "item_position",
          "type": "partial_key"
        },
        {
          "name": "quantity",
          "type": "regular"
        },
        {
          "name": "added_date",
          "type": "regular"
        }
      ]
    }
  ],
  "relationships": [
    {
      "name": "PlacesOrder",
      "type": "regular",
      "entities": ["User", "Order"],
      "cardinalities": {
        "User": "1",
        "Order": "M"
      },
      "attributes": []
    },
    {
      "name": "Contains",
      "type": "identifying",
      "entities": ["Order", "OrderItem"],
      "cardinalities": {
        "Order": "1",
        "OrderItem": "M"
      },
      "attributes": []
    },
    {
      "name": "OrdersProduct",
      "type": "regular",
      "entities": ["OrderItem", "Product"],
      "cardinalities": {
        "OrderItem": "M",
        "Product": "1"
      },
      "attributes": []
    },
    {
      "name": "BelongsTo",
      "type": "regular",
      "entities": ["Product", "Category"],
      "cardinalities": {
        "Product": "M",
        "Category": "1"
      },
      "attributes": []
    },
    {
      "name": "ProcessesPayment",
      "type": "regular",
      "entities": ["Order", "Payment"],
      "cardinalities": {
        "Order": "1",
        "Payment": "M"
      },
      "attributes": []
    },
    {
      "name": "WritesReview",
      "type": "regular",
      "entities": ["User", "Review"],
      "cardinalities": {
        "User": "1",
        "Review": "M"
      },
      "attributes": []
    },
    {
      "name": "ReviewsProduct",
      "type": "regular",
      "entities": ["Review", "Product"],
      "cardinalities": {
        "Review": "M",
        "Product": "1"
      },
      "attributes": []
    },
    {
      "name": "Supplies",
      "type": "regular",
      "entities": ["Vendor", "Product"],
      "cardinalities": {
        "Vendor": "M",
        "Product": "M"
      },
      "attributes": [
        {
          "name": "supply_price"
        },
        {
          "name": "lead_time"
        }
      ]
    },
    {
      "name": "HasCart",
      "type": "regular",
      "entities": ["User", "ShoppingCart"],
      "cardinalities": {
        "User": "1",
        "ShoppingCart": "1"
      },
      "attributes": []
    },
    {
      "name": "CartContains",
      "type": "identifying",
      "entities": ["ShoppingCart", "CartItem"],
      "cardinalities": {
        "ShoppingCart": "1",
        "CartItem": "M"
      },
      "attributes": []
    },
    {
      "name": "CartHasProduct",
      "type": "regular",
      "entities": ["CartItem", "Product"],
      "cardinalities": {
        "CartItem": "M",
        "Product": "1"
      },
      "attributes": []
    }
  ]
}
"""