[
    {
        "schema": {
            "Invoice": {
                "id": "Invoice",
                "description": "Represents the document sent to the customer for payment.",
                "properties": {
                    "customer": {
                        "description": "Who will pay?\nNot me! éàè",
                        "type": "string"
                    },
                    "lines": {
                        "description": "Invoice content\n",
                        "minItems": "1",
                        "maxItems": "50",
                        "type": "array",
                        "items": {
                            "$ref": "InvoiceLine"
                        }
                    },
                    "dimension": {
                        "description": "Total dimension of the order ",
                        "$ref": "Dimension"
                    }
                }
            },
            "InvoiceLine": {
                "id": "InvoiceLine",
                "properties": {
                    "product": {
                        "$ref": "Product"
                    },
                    "quantity": {
                        "minimum": "0",
                        "exclusiveMinimum": "true",
                        "maximum": "10",
                        "exclusiveMaximum": "false",
                        "type": "number"
                    }
                }
            },
            "Dimension": {
                "id": "Dimension",
                "properties": {
                    "width": {
                        "description": "Width in cm ",
                        "type": "number"
                    },
                    "height": {
                        "description": "Height in cm ",
                        "type": "number"
                    },
                    "length": {
                        "description": "Length in cm ",
                        "type": "number"
                    }
                }
            },
            "Product": {
                "id": "Product",
                "properties": {
                    "name": {
                        "description": "Uniquely defines the product ",
                        "type": "string"
                    },
                    "dimension": {
                        "description": "How big it is ",
                        "$ref": "Dimension"
                    },
                    "category": {
                        "description": "Classification ",
                        "$ref": "Category"
                    }
                }
            },
            "Category": {
                "id": "Category",
                "properties": {
                    "name": {
                        "description": "Uniquely identifies the category ",
                        "type": "string"
                    },
                    "level": {
                        "description": "Classification level from 1 to 5 (highest) ",
                        "type": "number"
                    }
                }
            },
            "CategoryIndex": {
                "id": "CategoryIndex",
                "properties": {
                    "categories": {},
                    "products": {},
                    "sizes": {}
                }
            }
        }
    }]