{
    "$defs": {
        "BlobPart": {
            "description": "Represents blob binary data sent inline to the model",
            "properties": {
                "type": {
                    "const": "blob",
                    "description": "The type of the content captured in this part.",
                    "title": "Type",
                    "type": "string"
                },
                "mime_type": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "type": "null"
                        }
                    ],
                    "default": null,
                    "description": "The IANA MIME type of the attached data.",
                    "title": "Mime Type"
                },
                "modality": {
                    "anyOf": [
                        {
                            "$ref": "#/$defs/Modality"
                        },
                        {
                            "type": "string"
                        }
                    ],
                    "description": "The general modality of the data if it is known. Instrumentations SHOULD also set the mimeType field if the specific type is known.",
                    "title": "Modality"
                },
                "content": {
                    "description": "Raw bytes of the attached data. This field SHOULD be encoded as a base64 string when serialized to JSON.",
                    "format": "binary",
                    "title": "Content",
                    "type": "string"
                }
            },
            "required": [
                "type",
                "modality",
                "content"
            ],
            "title": "BlobPart",
            "type": "object"
        },
        "FilePart": {
            "additionalProperties": true,
            "description": "Represents an external referenced file sent to the model by file id",
            "properties": {
                "type": {
                    "const": "file",
                    "description": "The type of the content captured in this part.",
                    "title": "Type",
                    "type": "string"
                },
                "mime_type": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "type": "null"
                        }
                    ],
                    "default": null,
                    "description": "The IANA MIME type of the attached data.",
                    "title": "Mime Type"
                },
                "modality": {
                    "anyOf": [
                        {
                            "$ref": "#/$defs/Modality"
                        },
                        {
                            "type": "string"
                        }
                    ],
                    "description": "The general modality of the data if it is known. Instrumentations SHOULD also set the mimeType field if the specific type is known.",
                    "title": "Modality"
                },
                "file_id": {
                    "description": "An identifier referencing a file that was pre-uploaded to the provider.",
                    "title": "File Id",
                    "type": "string"
                }
            },
            "required": [
                "type",
                "modality",
                "file_id"
            ],
            "title": "FilePart",
            "type": "object"
        },
        "GenericPart": {
            "additionalProperties": true,
            "description": "Represents an arbitrary message part with any type and properties.\nThis allows for extensibility with custom message part types.",
            "properties": {
                "type": {
                    "description": "The type of the content captured in this part.",
                    "title": "Type",
                    "type": "string"
                }
            },
            "required": [
                "type"
            ],
            "title": "GenericPart",
            "type": "object"
        },
        "Modality": {
            "enum": [
                "image",
                "video",
                "audio"
            ],
            "title": "Modality",
            "type": "string"
        },
        "ReasoningPart": {
            "additionalProperties": true,
            "description": "Represents reasoning/thinking content received from the model.",
            "properties": {
                "type": {
                    "const": "reasoning",
                    "description": "The type of the content captured in this part.",
                    "title": "Type",
                    "type": "string"
                },
                "content": {
                    "description": "Reasoning/thinking content received from the model.",
                    "title": "Content",
                    "type": "string"
                }
            },
            "required": [
                "type",
                "content"
            ],
            "title": "ReasoningPart",
            "type": "object"
        },
        "TextPart": {
            "additionalProperties": true,
            "description": "Represents text content sent to or received from the model.",
            "properties": {
                "type": {
                    "const": "text",
                    "description": "The type of the content captured in this part.",
                    "title": "Type",
                    "type": "string"
                },
                "content": {
                    "description": "Text content sent to or received from the model.",
                    "title": "Content",
                    "type": "string"
                }
            },
            "required": [
                "type",
                "content"
            ],
            "title": "TextPart",
            "type": "object"
        },
        "ToolCallRequestPart": {
            "additionalProperties": true,
            "description": "Represents a tool call requested by the model.",
            "properties": {
                "type": {
                    "const": "tool_call",
                    "description": "The type of the content captured in this part.",
                    "title": "Type",
                    "type": "string"
                },
                "id": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "type": "null"
                        }
                    ],
                    "default": null,
                    "description": "Unique identifier for the tool call.",
                    "title": "Id"
                },
                "name": {
                    "description": "Name of the tool.",
                    "title": "Name",
                    "type": "string"
                },
                "arguments": {
                    "default": null,
                    "description": "Arguments for the tool call.",
                    "title": "Arguments"
                }
            },
            "required": [
                "type",
                "name"
            ],
            "title": "ToolCallRequestPart",
            "type": "object"
        },
        "ToolCallResponsePart": {
            "additionalProperties": true,
            "description": "Represents a tool call result sent to the model or a built-in tool call outcome and details.",
            "properties": {
                "type": {
                    "const": "tool_call_response",
                    "description": "The type of the content captured in this part.",
                    "title": "Type",
                    "type": "string"
                },
                "id": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "type": "null"
                        }
                    ],
                    "default": null,
                    "description": "Unique tool call identifier.",
                    "title": "Id"
                },
                "response": {
                    "description": "Tool call response.",
                    "title": "Response"
                }
            },
            "required": [
                "type",
                "response"
            ],
            "title": "ToolCallResponsePart",
            "type": "object"
        },
        "UriPart": {
            "additionalProperties": true,
            "description": "Represents an external referenced file sent to the model by URI",
            "properties": {
                "type": {
                    "const": "uri",
                    "description": "The type of the content captured in this part.",
                    "title": "Type",
                    "type": "string"
                },
                "mime_type": {
                    "anyOf": [
                        {
                            "type": "string"
                        },
                        {
                            "type": "null"
                        }
                    ],
                    "default": null,
                    "description": "The IANA MIME type of the attached data.",
                    "title": "Mime Type"
                },
                "modality": {
                    "anyOf": [
                        {
                            "$ref": "#/$defs/Modality"
                        },
                        {
                            "type": "string"
                        }
                    ],
                    "description": "The general modality of the data if it is known. Instrumentations SHOULD also set the mimeType field if the specific type is known.",
                    "title": "Modality"
                },
                "uri": {
                    "description": "A URI referencing attached data. It should not be a base64 data URL, which should use the `blob` part instead. The URI may use a scheme known to the provider api (e.g. `gs://bucket/object.png`), or be a publicly accessible location.",
                    "title": "Uri",
                    "type": "string"
                }
            },
            "required": [
                "type",
                "modality",
                "uri"
            ],
            "title": "UriPart",
            "type": "object"
        }
    },
    "description": "Represents the list of input messages sent to the model.",
    "items": {
        "anyOf": [
            {
                "$ref": "#/$defs/TextPart"
            },
            {
                "$ref": "#/$defs/ToolCallRequestPart"
            },
            {
                "$ref": "#/$defs/ToolCallResponsePart"
            },
            {
                "$ref": "#/$defs/BlobPart"
            },
            {
                "$ref": "#/$defs/FilePart"
            },
            {
                "$ref": "#/$defs/UriPart"
            },
            {
                "$ref": "#/$defs/ReasoningPart"
            },
            {
                "$ref": "#/$defs/GenericPart"
            }
        ]
    },
    "title": "SystemInstructions",
    "type": "array"
}