{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "https://schema.twindev.org/dataspace/DataspaceActivity",
    "title": "DataspaceActivity",
    "description": "A dataspace activity that restricts an activity so that it can be handled by a Dataspace Data Plane",
    "type": "object",
    "properties": {
        "object": {
            "anyOf": [
                {
                    "properties": {
                        "type": {
                            "anyOf": [
                                {
                                    "type": "string"
                                },
                                {
                                    "type": "array",
                                    "items": {
                                        "type": "string"
                                    }
                                }
                            ]
                        },
                        "@context": {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdContextDefinitionRoot"
                        }
                    },
                    "required": [
                        "type",
                        "@context"
                    ],
                    "type": "object",
                    "$comment": "Inlined utility base type O & { type: ObjectOrArray<string> } so utility transformations can operate on concrete properties instead of a $ref."
                },
                {
                    "type": "array",
                    "items": {
                        "properties": {
                            "type": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "type": "array",
                                        "items": {
                                            "type": "string"
                                        }
                                    }
                                ]
                            },
                            "@context": {
                                "$ref": "https://schema.twindev.org/json-ld/JsonLdContextDefinitionRoot"
                            }
                        },
                        "required": [
                            "type",
                            "@context"
                        ],
                        "type": "object",
                        "$comment": "Inlined utility base type O & { type: ObjectOrArray<string> } so utility transformations can operate on concrete properties instead of a $ref."
                    }
                }
            ],
            "description": "Activity's Object"
        },
        "target": {
            "properties": {
                "type": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "type": "array",
                            "items": {
                                "type": "string"
                            }
                        }
                    ]
                },
                "@context": {
                    "$ref": "https://schema.twindev.org/json-ld/JsonLdContextDefinitionRoot"
                }
            },
            "required": [
                "type",
                "@context"
            ],
            "type": "object",
            "$comment": "Inlined utility base type T & { type: ObjectOrArray<string> } so utility transformations can operate on concrete properties instead of a $ref.",
            "description": "Activity's target"
        }
    },
    "required": [
        "object"
    ],
    "allOf": [
        {
            "description": "A W3C Activity from Activity Streams.\n\nAn `Activity` describes an action performed by an `actor` on an `object`, and\ncan optionally include a `target`, `result`, `origin`, or `instrument`.",
            "type": "object",
            "properties": {
                "@context": {
                    "$ref": "https://schema.twindev.org/w3c-activity-streams/ActivityStreamsContextType",
                    "description": "The LD Context.",
                    "$comment": "Inherited from ActivityStreamsActivity"
                },
                "type": {
                    "anyOf": [
                        {
                            "$ref": "https://schema.twindev.org/w3c-activity-streams/ActivityStreamsTypes"
                        },
                        {
                            "type": "string"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "$ref": "https://schema.twindev.org/w3c-activity-streams/ActivityStreamsTypes"
                                    },
                                    {
                                        "type": "string"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Activity Type.",
                    "$comment": "Inherited from ActivityStreamsActivity"
                },
                "id": {
                    "type": "string",
                    "description": "Global identifier.",
                    "format": "uri",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "name": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdLanguageMap"
                        }
                    ],
                    "description": "Natural language name.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "nameMap": {
                    "$ref": "https://schema.twindev.org/json-ld/JsonLdLanguageMap",
                    "description": "Natural language name map.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "summary": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdLanguageMap"
                        }
                    ],
                    "description": "Summary of the Activity.",
                    "$comment": "Inherited from ActivityStreamsActivity"
                },
                "summaryMap": {
                    "$ref": "https://schema.twindev.org/json-ld/JsonLdLanguageMap",
                    "description": "Natural language summary map.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "content": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdLanguageMap"
                        }
                    ],
                    "description": "Natural language content.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "contentMap": {
                    "$ref": "https://schema.twindev.org/json-ld/JsonLdLanguageMap",
                    "description": "Natural language content map.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "url": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "A link to the representation of the object.\n\nThe value can be a URI or an embedded node object.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "image": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "A graphical representation of the object.\n\nThe value can be a URI or an embedded `Image`/`Link` object.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "icon": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "An icon for the object.\n\nThe value can be a URI or an embedded `Image`/`Link` object.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "published": {
                    "type": "string",
                    "description": "Published date-time.",
                    "format": "date-time",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "updated": {
                    "type": "string",
                    "description": "Updated date-time.",
                    "format": "date-time",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "startTime": {
                    "type": "string",
                    "description": "Start time.",
                    "format": "date-time",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "endTime": {
                    "type": "string",
                    "description": "End time.",
                    "format": "date-time",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "duration": {
                    "type": "string",
                    "description": "Duration.",
                    "format": "duration",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "generator": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "The generator of the Activity.",
                    "$comment": "Inherited from ActivityStreamsActivity"
                },
                "attachment": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Attachments.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "attributedTo": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Objects attributed to.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "audience": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Audience.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "context": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Context.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "location": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Location.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "tag": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Tag.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "inReplyTo": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "In reply to.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "replies": {
                    "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject",
                    "description": "Replies collection.\n\nTypically an embedded `Collection` of Objects that are replies to this object.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "preview": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Preview.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "to": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "To.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "bto": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "BTo.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "cc": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "CC.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "bcc": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "BCC.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "mediaType": {
                    "type": "string",
                    "description": "MIME media type of the referenced resource.",
                    "$comment": "Inherited from ActivityStreamsObject"
                },
                "actor": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "The Actor behind the Activity.",
                    "$comment": "Inherited from ActivityStreamsActivity"
                },
                "result": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Result of the Activity.",
                    "$comment": "Inherited from ActivityStreamsActivity"
                },
                "origin": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Activity's origin.",
                    "$comment": "Inherited from ActivityStreamsActivity"
                },
                "instrument": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                        },
                        {
                            "type": "array",
                            "items": {
                                "anyOf": [
                                    {
                                        "type": "string"
                                    },
                                    {
                                        "$ref": "https://schema.twindev.org/json-ld/JsonLdNodeObject"
                                    }
                                ]
                            }
                        }
                    ],
                    "description": "Instrument used in the Activity.",
                    "$comment": "Inherited from ActivityStreamsActivity"
                }
            },
            "required": [
                "@context",
                "type"
            ],
            "$comment": "Inlined utility base type ActivityStreamsActivity so utility transformations can operate on concrete properties instead of a $ref."
        }
    ]
}