{
    "sources": {
        "filters": {
            "before": {
                "label": "Before",
                "description": "Add text before the content field."
            },
            "after": {
                "label": "After",
                "description": "Add text after the content field."
            },
            "search": {
                "label": "Search",
                "description": "Select a predefined search pattern or enter a custom string or regular expression to search for. The regular expression has to be enclosed between slashes. For example `my-string` or `/ab+c/`.",
                "type": "data-list",
                "default": "",
                "options": {
                    "URL Protocol": "/https?:\\/\\//",
                    "Hyphen and Underscore": "/[\\-_]/"
                }
            },
            "replace": {
                "label": "Replace",
                "description": "Enter the replacement string which may contain references. If left empty, the search matches will be removed."
            },
            "limit": {
                "label": "Content Length",
                "description": "Limit the content length to a number of characters. All HTML elements will be stripped.",
                "type": "number",
                "attrs": {
                    "placeholder": "No limit."
                }
            },
            "date": {
                "label": "Date Format",
                "description": "Select a predefined date format or enter a custom format.",
                "type": "data-list",
                "default": "",
                "options": {
                    "Aug 6, 1999 (M j, Y)": "M j, Y",
                    "August 06, 1999 (F d, Y)": "F d, Y",
                    "08/06/1999 (m/d/Y)": "m/d/Y",
                    "08.06.1999 (m.d.Y)": "m.d.Y",
                    "6 Aug, 1999 (j M, Y)": "j M, Y",
                    "Tuesday, Aug 06 (l, M d)": "l, M d",
                    "15:00 (G:i)": "G:i",
                    "3:00 pm (g:i A)": "g:i a"
                },
                "attrs": {
                    "placeholder": "Default"
                }
            }
        },
        "directives": {
            "slice": {
                "fields": {
                    "_grid": {
                        "description": "Set the starting point and limit the number of items.",
                        "type": "grid",
                        "width": "1-2",
                        "fields": {
                            "offset": {
                                "label": "Start",
                                "type": "number",
                                "default": 0,
                                "modifier": 1,
                                "attrs": {
                                    "min": 1,
                                    "required": true
                                }
                            },
                            "limit": {
                                "label": "Quantity",
                                "type": "limit",
                                "attrs": {
                                    "placeholder": "No limit",
                                    "min": 0
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}