{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "title": "Backend preferences",
    "description": "Schema for CARTA backend preferences (Version 2)",
    "$id": "https://cartavis.org/schemas/preference_backend_schema_2.json",
    "type": "object",
    "properties": {
        "backendConfigVersion": {
            "description": "The version of this backend configuration",
            "type": "string",
            "default": "2.0"
        },
        "verbosity": {
            "type": "integer",
            "enum": [0, 1, 2, 3, 4, 5],
            "default": 4
        },
        "no_log": {
            "type": "boolean",
            "default": true
        },
        "log_performance": {
            "type": "boolean",
            "default": false
        },
        "log_protocol_messages": {
            "type": "boolean",
            "default": false
        },
        "no_frontend": {
            "type": "boolean",
            "default": false
        },
        "no_database": {
            "type": "boolean",
            "default": false
        },
        "no_http": {
            "type": "boolean",
            "default": false
        },
        "no_browser": {
            "type": "boolean",
            "default": false
        },
        "browser": {
            "type": "string",
            "default": ""
        },
        "host": {
            "type": "string",
            "minLength": 1,
            "default": "0.0.0.0"
        },
        "port": {
            "anyOf": [
                {
                    "type": "integer"
                },
                {
                    "type": "array",
                    "items": {
                        "type": "integer"
                    }
                }
            ],
            "default": 3002
        },
        "omp_threads": {
            "type": "integer",
            "default": -1
        },
        "top_level_folder": {
            "type": "string",
            "minLength": 1,
            "default": "/"
        },
        "frontend_folder": {
            "type": "string",
            "minLength": 1,
            "default": ""
        },
        "exit_timeout": {
            "type": "integer",
            "default": -1
        },
        "initial_timeout": {
            "type": "integer",
            "default": -1
        },
        "idle_timeout": {
            "type": "integer",
            "default": -1
        },
        "read_only_mode": {
            "type": "boolean",
            "default": false
        },
        "starting_folder": {
            "type": "string",
            "minLength": 1,
            "default": ""
        },
        "event_thread_count": {
            "type": "integer",
            "default": -1
        },
        "enable_scripting": {
            "type": "boolean",
            "default": false
        },
        "http_url_prefix": {
            "type": "string",
            "minLength": 1,
            "default": ""
        }
    }
}