[
    {
        "name": "title",
        "type": "text",
        "label": "metadata-semantics:title",
        "placeholder": "metadata-semantics:title-placeholder"
    },
    {
        "name": "license",
        "type": "select",
        "label": "metadata-semantics:license",
        "default": "U",
        "options": [
            { "value": "U", "label": "metadata-semantics:undisclosed" },
            {
                "type": "optgroup",
                "label": "metadata-semantics:creative-commons",
                "options": [
                    {
                        "value": "CC BY",
                        "label": "metadata-semantics:CC-BY",
                        "versions": [
                            {
                                "value": "4.0",
                                "label": "metadata-semantics:40-international"
                            },
                            {
                                "value": "3.0",
                                "label": "metadata-semantics:30-unported"
                            },
                            {
                                "value": "2.5",
                                "label": "metadata-semantics:25-generic"
                            },
                            {
                                "value": "2.0",
                                "label": "metadata-semantics:20-generic"
                            },
                            {
                                "value": "1.0",
                                "label": "metadata-semantics:10-generic"
                            }
                        ]
                    },
                    {
                        "value": "CC BY-SA",
                        "label": "metadata-semantics:CC-BY-SA",
                        "versions": [
                            {
                                "value": "4.0",
                                "label": "metadata-semantics:40-international"
                            },
                            {
                                "value": "3.0",
                                "label": "metadata-semantics:30-unported"
                            },
                            {
                                "value": "2.5",
                                "label": "metadata-semantics:25-generic"
                            },
                            {
                                "value": "2.0",
                                "label": "metadata-semantics:20-generic"
                            },
                            {
                                "value": "1.0",
                                "label": "metadata-semantics:10-generic"
                            }
                        ]
                    },
                    {
                        "value": "CC BY-ND",
                        "label": "metadata-semantics:CC-BY-ND",
                        "versions": [
                            {
                                "value": "4.0",
                                "label": "metadata-semantics:40-international"
                            },
                            {
                                "value": "3.0",
                                "label": "metadata-semantics:30-unported"
                            },
                            {
                                "value": "2.5",
                                "label": "metadata-semantics:25-generic"
                            },
                            {
                                "value": "2.0",
                                "label": "metadata-semantics:20-generic"
                            },
                            {
                                "value": "1.0",
                                "label": "metadata-semantics:10-generic"
                            }
                        ]
                    },
                    {
                        "value": "CC BY-NC",
                        "label": "metadata-semantics:CC-BY-NC",
                        "versions": [
                            {
                                "value": "4.0",
                                "label": "metadata-semantics:40-international"
                            },
                            {
                                "value": "3.0",
                                "label": "metadata-semantics:30-unported"
                            },
                            {
                                "value": "2.5",
                                "label": "metadata-semantics:25-generic"
                            },
                            {
                                "value": "2.0",
                                "label": "metadata-semantics:20-generic"
                            },
                            {
                                "value": "1.0",
                                "label": "metadata-semantics:10-generic"
                            }
                        ]
                    },
                    {
                        "value": "CC BY-NC-SA",
                        "label": "metadata-semantics:CC-BY-NC-SA",
                        "versions": [
                            {
                                "value": "4.0",
                                "label": "metadata-semantics:40-international"
                            },
                            {
                                "value": "3.0",
                                "label": "metadata-semantics:30-unported"
                            },
                            {
                                "value": "2.5",
                                "label": "metadata-semantics:25-generic"
                            },
                            {
                                "value": "2.0",
                                "label": "metadata-semantics:20-generic"
                            },
                            {
                                "value": "1.0",
                                "label": "metadata-semantics:10-generic"
                            }
                        ]
                    },
                    {
                        "value": "CC BY-NC-ND",
                        "label": "metadata-semantics:CC-BY-NC-ND",
                        "versions": [
                            {
                                "value": "4.0",
                                "label": "metadata-semantics:40-international"
                            },
                            {
                                "value": "3.0",
                                "label": "metadata-semantics:30-unported"
                            },
                            {
                                "value": "2.5",
                                "label": "metadata-semantics:25-generic"
                            },
                            {
                                "value": "2.0",
                                "label": "metadata-semantics:20-generic"
                            },
                            {
                                "value": "1.0",
                                "label": "metadata-semantics:10-generic"
                            }
                        ]
                    },
                    {
                        "value": "CC0 1.0",
                        "label": "metadata-semantics:CC0"
                    },
                    {
                        "value": "CC PDM",
                        "label": "metadata-semantics:PDM"
                    }
                ]
            },
            {
                "value": "GNU GPL",
                "label": "metadata-semantics:GPLv3"
            },
            { "value": "PD", "label": "metadata-semantics:public-domain" },
            {
                "value": "ODC PDDL",
                "label": "metadata-semantics:public-domain-dedication-and-licence"
            },
            { "value": "C", "label": "metadata-semantics:copyright" }
        ]
    },
    {
        "name": "licenseVersion",
        "type": "select",
        "label": "metadata-semantics:license-version",
        "options": [
            {
                "value": "4.0",
                "label": "metadata-semantics:40-international"
            },
            { "value": "3.0", "label": "metadata-semantics:30-unported" },
            { "value": "2.5", "label": "metadata-semantics:25-generic" },
            { "value": "2.0", "label": "metadata-semantics:20-generic" },
            { "value": "1.0", "label": "metadata-semantics:10-generic" }
        ],
        "optional": true
    },
    {
        "name": "yearFrom",
        "type": "number",
        "label": "metadata-semantics:years-from",
        "placeholder": "metadata-semantics:years-from-placeholder",
        "min": "-9999",
        "max": "9999",
        "optional": true
    },
    {
        "name": "yearTo",
        "type": "number",
        "label": "metadata-semantics:years-to",
        "placeholder": "metadata-semantics:years-to-placeholder",
        "min": "-9999",
        "max": "9999",
        "optional": true
    },
    {
        "name": "source",
        "type": "text",
        "label": "metadata-semantics:source",
        "placeholder": "metadata-semantics:source-placeholder",
        "optional": true
    },
    {
        "name": "authors",
        "type": "list",
        "field": {
            "name": "author",
            "type": "group",
            "fields": [
                {
                    "label": "metadata-semantics:author-name",
                    "name": "name",
                    "optional": true,
                    "type": "text"
                },
                {
                    "name": "role",
                    "type": "select",
                    "label": "metadata-semantics:author-role",
                    "default": "Author",
                    "options": [
                        {
                            "value": "Author",
                            "label": "metadata-semantics:author"
                        },
                        {
                            "value": "Editor",
                            "label": "metadata-semantics:editor"
                        },
                        {
                            "value": "Licensee",
                            "label": "metadata-semantics:licensee"
                        },
                        {
                            "value": "Originator",
                            "label": "metadata-semantics:originator"
                        }
                    ]
                }
            ]
        }
    },
    {
        "name": "licenseExtras",
        "type": "text",
        "widget": "textarea",
        "label": "metadata-semantics:license-extras",
        "optional": true,
        "description": "metadata-semantics:license-extras-description"
    },
    {
        "name": "changes",
        "type": "list",
        "field": {
            "name": "change",
            "type": "group",
            "label": "metadata-semantics:changelog",
            "fields": [
                {
                    "name": "date",
                    "type": "text",
                    "label": "metadata-semantics:date",
                    "optional": true
                },
                {
                    "name": "author",
                    "type": "text",
                    "label": "metadata-semantics:changed-by",
                    "optional": true
                },
                {
                    "name": "log",
                    "type": "text",
                    "widget": "textarea",
                    "label": "metadata-semantics:change-description",
                    "placeholder": "metadata-semantics:change-description-placeholder",
                    "optional": true
                }
            ]
        }
    },
    {
        "name": "authorComments",
        "type": "text",
        "widget": "textarea",
        "label": "metadata-semantics:author-comments",
        "description": "metadata-semantics:author-comments-description",
        "optional": true
    },
    {
        "name": "contentType",
        "type": "text",
        "widget": "none"
    }
]