@genkit-ai/ai/lib/model-types.d.mts

Genkit AI framework generative AI APIs.

import { z } from '@genkit-ai/core';

/**
 * Copyright 2024 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Zod schema of message part.
 */
declare const PartSchema: z.ZodUnion<[z.ZodObject<{
    media: z.ZodOptional<z.ZodNever>;
    toolRequest: z.ZodOptional<z.ZodNever>;
    toolResponse: z.ZodOptional<z.ZodNever>;
    data: z.ZodOptional<z.ZodUnknown>;
    metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    reasoning: z.ZodOptional<z.ZodNever>;
    resource: z.ZodOptional<z.ZodNever>;
} & {
    text: z.ZodString;
}, "strip", z.ZodTypeAny, {
    text: string;
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    media?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}, {
    text: string;
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    media?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}>, z.ZodObject<{
    text: z.ZodOptional<z.ZodNever>;
    toolRequest: z.ZodOptional<z.ZodNever>;
    toolResponse: z.ZodOptional<z.ZodNever>;
    data: z.ZodOptional<z.ZodUnknown>;
    metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    reasoning: z.ZodOptional<z.ZodNever>;
    resource: z.ZodOptional<z.ZodNever>;
} & {
    media: z.ZodObject<{
        contentType: z.ZodOptional<z.ZodString>;
        url: z.ZodString;
    }, "strip", z.ZodTypeAny, {
        url: string;
        contentType?: string | undefined;
    }, {
        url: string;
        contentType?: string | undefined;
    }>;
}, "strip", z.ZodTypeAny, {
    media: {
        url: string;
        contentType?: string | undefined;
    };
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}, {
    media: {
        url: string;
        contentType?: string | undefined;
    };
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}>, z.ZodObject<{
    text: z.ZodOptional<z.ZodNever>;
    media: z.ZodOptional<z.ZodNever>;
    toolResponse: z.ZodOptional<z.ZodNever>;
    data: z.ZodOptional<z.ZodUnknown>;
    metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    reasoning: z.ZodOptional<z.ZodNever>;
    resource: z.ZodOptional<z.ZodNever>;
} & {
    toolRequest: z.ZodObject<{
        ref: z.ZodOptional<z.ZodString>;
        name: z.ZodString;
        input: z.ZodOptional<z.ZodUnknown>;
    }, "strip", z.ZodTypeAny, {
        name: string;
        input?: unknown;
        ref?: string | undefined;
    }, {
        name: string;
        input?: unknown;
        ref?: string | undefined;
    }>;
}, "strip", z.ZodTypeAny, {
    toolRequest: {
        name: string;
        input?: unknown;
        ref?: string | undefined;
    };
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}, {
    toolRequest: {
        name: string;
        input?: unknown;
        ref?: string | undefined;
    };
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}>, z.ZodObject<{
    text: z.ZodOptional<z.ZodNever>;
    media: z.ZodOptional<z.ZodNever>;
    toolRequest: z.ZodOptional<z.ZodNever>;
    data: z.ZodOptional<z.ZodUnknown>;
    metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    reasoning: z.ZodOptional<z.ZodNever>;
    resource: z.ZodOptional<z.ZodNever>;
} & {
    toolResponse: z.ZodObject<{
        ref: z.ZodOptional<z.ZodString>;
        name: z.ZodString;
        output: z.ZodOptional<z.ZodUnknown>;
    }, "strip", z.ZodTypeAny, {
        name: string;
        ref?: string | undefined;
        output?: unknown;
    }, {
        name: string;
        ref?: string | undefined;
        output?: unknown;
    }>;
}, "strip", z.ZodTypeAny, {
    toolResponse: {
        name: string;
        ref?: string | undefined;
        output?: unknown;
    };
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolRequest?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}, {
    toolResponse: {
        name: string;
        ref?: string | undefined;
        output?: unknown;
    };
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolRequest?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}>, z.ZodObject<{
    text: z.ZodOptional<z.ZodNever>;
    media: z.ZodOptional<z.ZodNever>;
    toolRequest: z.ZodOptional<z.ZodNever>;
    toolResponse: z.ZodOptional<z.ZodNever>;
    metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    reasoning: z.ZodOptional<z.ZodNever>;
    resource: z.ZodOptional<z.ZodNever>;
} & {
    data: z.ZodUnknown;
}, "strip", z.ZodTypeAny, {
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}, {
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}>, z.ZodObject<{
    text: z.ZodOptional<z.ZodNever>;
    media: z.ZodOptional<z.ZodNever>;
    toolRequest: z.ZodOptional<z.ZodNever>;
    toolResponse: z.ZodOptional<z.ZodNever>;
    data: z.ZodOptional<z.ZodUnknown>;
    metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    reasoning: z.ZodOptional<z.ZodNever>;
    resource: z.ZodOptional<z.ZodNever>;
} & {
    custom: z.ZodRecord<z.ZodString, z.ZodAny>;
}, "strip", z.ZodTypeAny, {
    custom: Record<string, any>;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}, {
    custom: Record<string, any>;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
    resource?: undefined;
}>, z.ZodObject<{
    text: z.ZodOptional<z.ZodNever>;
    media: z.ZodOptional<z.ZodNever>;
    toolRequest: z.ZodOptional<z.ZodNever>;
    toolResponse: z.ZodOptional<z.ZodNever>;
    data: z.ZodOptional<z.ZodUnknown>;
    metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    resource: z.ZodOptional<z.ZodNever>;
} & {
    reasoning: z.ZodString;
}, "strip", z.ZodTypeAny, {
    reasoning: string;
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    resource?: undefined;
}, {
    reasoning: string;
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    resource?: undefined;
}>, z.ZodObject<{
    text: z.ZodOptional<z.ZodNever>;
    media: z.ZodOptional<z.ZodNever>;
    toolRequest: z.ZodOptional<z.ZodNever>;
    toolResponse: z.ZodOptional<z.ZodNever>;
    data: z.ZodOptional<z.ZodUnknown>;
    metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    reasoning: z.ZodOptional<z.ZodNever>;
} & {
    resource: z.ZodObject<{
        uri: z.ZodString;
    }, "strip", z.ZodTypeAny, {
        uri: string;
    }, {
        uri: string;
    }>;
}, "strip", z.ZodTypeAny, {
    resource: {
        uri: string;
    };
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
}, {
    resource: {
        uri: string;
    };
    custom?: Record<string, unknown> | undefined;
    metadata?: Record<string, unknown> | undefined;
    text?: undefined;
    media?: undefined;
    toolRequest?: undefined;
    toolResponse?: undefined;
    data?: unknown;
    reasoning?: undefined;
}>]>;
/**
 * Message part.
 */
type Part = z.infer<typeof PartSchema>;
/**
 * Zod schema of a message role.
 */
declare const RoleSchema: z.ZodEnum<["system", "user", "model", "tool"]>;
/**
 * Message role.
 */
type Role = z.infer<typeof RoleSchema>;
/**
 * Zod schema of a message.
 */
declare const MessageSchema: z.ZodObject<{
    role: z.ZodEnum<["system", "user", "model", "tool"]>;
    content: z.ZodArray<z.ZodUnion<[z.ZodObject<{
        media: z.ZodOptional<z.ZodNever>;
        toolRequest: z.ZodOptional<z.ZodNever>;
        toolResponse: z.ZodOptional<z.ZodNever>;
        data: z.ZodOptional<z.ZodUnknown>;
        metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        reasoning: z.ZodOptional<z.ZodNever>;
        resource: z.ZodOptional<z.ZodNever>;
    } & {
        text: z.ZodString;
    }, "strip", z.ZodTypeAny, {
        text: string;
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }, {
        text: string;
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }>, z.ZodObject<{
        text: z.ZodOptional<z.ZodNever>;
        toolRequest: z.ZodOptional<z.ZodNever>;
        toolResponse: z.ZodOptional<z.ZodNever>;
        data: z.ZodOptional<z.ZodUnknown>;
        metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        reasoning: z.ZodOptional<z.ZodNever>;
        resource: z.ZodOptional<z.ZodNever>;
    } & {
        media: z.ZodObject<{
            contentType: z.ZodOptional<z.ZodString>;
            url: z.ZodString;
        }, "strip", z.ZodTypeAny, {
            url: string;
            contentType?: string | undefined;
        }, {
            url: string;
            contentType?: string | undefined;
        }>;
    }, "strip", z.ZodTypeAny, {
        media: {
            url: string;
            contentType?: string | undefined;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }, {
        media: {
            url: string;
            contentType?: string | undefined;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }>, z.ZodObject<{
        text: z.ZodOptional<z.ZodNever>;
        media: z.ZodOptional<z.ZodNever>;
        toolResponse: z.ZodOptional<z.ZodNever>;
        data: z.ZodOptional<z.ZodUnknown>;
        metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        reasoning: z.ZodOptional<z.ZodNever>;
        resource: z.ZodOptional<z.ZodNever>;
    } & {
        toolRequest: z.ZodObject<{
            ref: z.ZodOptional<z.ZodString>;
            name: z.ZodString;
            input: z.ZodOptional<z.ZodUnknown>;
        }, "strip", z.ZodTypeAny, {
            name: string;
            input?: unknown;
            ref?: string | undefined;
        }, {
            name: string;
            input?: unknown;
            ref?: string | undefined;
        }>;
    }, "strip", z.ZodTypeAny, {
        toolRequest: {
            name: string;
            input?: unknown;
            ref?: string | undefined;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }, {
        toolRequest: {
            name: string;
            input?: unknown;
            ref?: string | undefined;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }>, z.ZodObject<{
        text: z.ZodOptional<z.ZodNever>;
        media: z.ZodOptional<z.ZodNever>;
        toolRequest: z.ZodOptional<z.ZodNever>;
        data: z.ZodOptional<z.ZodUnknown>;
        metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        reasoning: z.ZodOptional<z.ZodNever>;
        resource: z.ZodOptional<z.ZodNever>;
    } & {
        toolResponse: z.ZodObject<{
            ref: z.ZodOptional<z.ZodString>;
            name: z.ZodString;
            output: z.ZodOptional<z.ZodUnknown>;
        }, "strip", z.ZodTypeAny, {
            name: string;
            ref?: string | undefined;
            output?: unknown;
        }, {
            name: string;
            ref?: string | undefined;
            output?: unknown;
        }>;
    }, "strip", z.ZodTypeAny, {
        toolResponse: {
            name: string;
            ref?: string | undefined;
            output?: unknown;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }, {
        toolResponse: {
            name: string;
            ref?: string | undefined;
            output?: unknown;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }>, z.ZodObject<{
        text: z.ZodOptional<z.ZodNever>;
        media: z.ZodOptional<z.ZodNever>;
        toolRequest: z.ZodOptional<z.ZodNever>;
        toolResponse: z.ZodOptional<z.ZodNever>;
        metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        reasoning: z.ZodOptional<z.ZodNever>;
        resource: z.ZodOptional<z.ZodNever>;
    } & {
        data: z.ZodUnknown;
    }, "strip", z.ZodTypeAny, {
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }, {
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }>, z.ZodObject<{
        text: z.ZodOptional<z.ZodNever>;
        media: z.ZodOptional<z.ZodNever>;
        toolRequest: z.ZodOptional<z.ZodNever>;
        toolResponse: z.ZodOptional<z.ZodNever>;
        data: z.ZodOptional<z.ZodUnknown>;
        metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        reasoning: z.ZodOptional<z.ZodNever>;
        resource: z.ZodOptional<z.ZodNever>;
    } & {
        custom: z.ZodRecord<z.ZodString, z.ZodAny>;
    }, "strip", z.ZodTypeAny, {
        custom: Record<string, any>;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }, {
        custom: Record<string, any>;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    }>, z.ZodObject<{
        text: z.ZodOptional<z.ZodNever>;
        media: z.ZodOptional<z.ZodNever>;
        toolRequest: z.ZodOptional<z.ZodNever>;
        toolResponse: z.ZodOptional<z.ZodNever>;
        data: z.ZodOptional<z.ZodUnknown>;
        metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        resource: z.ZodOptional<z.ZodNever>;
    } & {
        reasoning: z.ZodString;
    }, "strip", z.ZodTypeAny, {
        reasoning: string;
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        resource?: undefined;
    }, {
        reasoning: string;
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        resource?: undefined;
    }>, z.ZodObject<{
        text: z.ZodOptional<z.ZodNever>;
        media: z.ZodOptional<z.ZodNever>;
        toolRequest: z.ZodOptional<z.ZodNever>;
        toolResponse: z.ZodOptional<z.ZodNever>;
        data: z.ZodOptional<z.ZodUnknown>;
        metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        reasoning: z.ZodOptional<z.ZodNever>;
    } & {
        resource: z.ZodObject<{
            uri: z.ZodString;
        }, "strip", z.ZodTypeAny, {
            uri: string;
        }, {
            uri: string;
        }>;
    }, "strip", z.ZodTypeAny, {
        resource: {
            uri: string;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
    }, {
        resource: {
            uri: string;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
    }>]>, "many">;
    metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
}, "strip", z.ZodTypeAny, {
    content: ({
        text: string;
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        media: {
            url: string;
            contentType?: string | undefined;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        reasoning: string;
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        resource?: undefined;
    } | {
        toolRequest: {
            name: string;
            input?: unknown;
            ref?: string | undefined;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        toolResponse: {
            name: string;
            ref?: string | undefined;
            output?: unknown;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        custom: Record<string, any>;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        resource: {
            uri: string;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
    })[];
    role: "model" | "tool" | "system" | "user";
    metadata?: Record<string, unknown> | undefined;
}, {
    content: ({
        text: string;
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        media: {
            url: string;
            contentType?: string | undefined;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        reasoning: string;
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        resource?: undefined;
    } | {
        toolRequest: {
            name: string;
            input?: unknown;
            ref?: string | undefined;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        toolResponse: {
            name: string;
            ref?: string | undefined;
            output?: unknown;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        custom: Record<string, any>;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
        resource?: undefined;
    } | {
        resource: {
            uri: string;
        };
        custom?: Record<string, unknown> | undefined;
        metadata?: Record<string, unknown> | undefined;
        text?: undefined;
        media?: undefined;
        toolRequest?: undefined;
        toolResponse?: undefined;
        data?: unknown;
        reasoning?: undefined;
    })[];
    role: "model" | "tool" | "system" | "user";
    metadata?: Record<string, unknown> | undefined;
}>;
/**
 * Model message data.
 */
type MessageData = z.infer<typeof MessageSchema>;
/**
 * Zod schema of model info metadata.
 */
declare const ModelInfoSchema: z.ZodObject<{
    /** Acceptable names for this model (e.g. different versions). */
    versions: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
    /** Friendly label for this model (e.g. "Google AI - Gemini Pro") */
    label: z.ZodOptional<z.ZodString>;
    /** Model Specific configuration. */
    configSchema: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodAny>>;
    /** Supported model capabilities. */
    supports: z.ZodOptional<z.ZodObject<{
        /** Model can process historical messages passed with a prompt. */
        multiturn: z.ZodOptional<z.ZodBoolean>;
        /** Model can process media as part of the prompt (multimodal input). */
        media: z.ZodOptional<z.ZodBoolean>;
        /** Model can perform tool calls. */
        tools: z.ZodOptional<z.ZodBoolean>;
        /** Model can accept messages with role "system". */
        systemRole: z.ZodOptional<z.ZodBoolean>;
        /** Model can output this type of data. */
        output: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
        /** Model supports output in these content types. */
        contentType: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
        /** Model can natively support document-based context grounding. */
        context: z.ZodOptional<z.ZodBoolean>;
        /** Model can natively support constrained generation. */
        constrained: z.ZodOptional<z.ZodEnum<["none", "all", "no-tools"]>>;
        /** Model supports controlling tool choice, e.g. forced tool calling. */
        toolChoice: z.ZodOptional<z.ZodBoolean>;
    }, "strip", z.ZodTypeAny, {
        media?: boolean | undefined;
        contentType?: string[] | undefined;
        output?: string[] | undefined;
        context?: boolean | undefined;
        multiturn?: boolean | undefined;
        tools?: boolean | undefined;
        systemRole?: boolean | undefined;
        constrained?: "none" | "all" | "no-tools" | undefined;
        toolChoice?: boolean | undefined;
    }, {
        media?: boolean | undefined;
        contentType?: string[] | undefined;
        output?: string[] | undefined;
        context?: boolean | undefined;
        multiturn?: boolean | undefined;
        tools?: boolean | undefined;
        systemRole?: boolean | undefined;
        constrained?: "none" | "all" | "no-tools" | undefined;
        toolChoice?: boolean | undefined;
    }>>;
    /** At which stage of development this model is.
     * - `featured` models are recommended for general use.
     * - `stable` models are well-tested and reliable.
     * - `unstable` models are experimental and may change.
     * - `legacy` models are no longer recommended for new projects.
     * - `deprecated` models are deprecated by the provider and may be removed in future versions.
     */
    stage: z.ZodOptional<z.ZodEnum<["featured", "stable", "unstable", "legacy", "deprecated"]>>;
}, "strip", z.ZodTypeAny, {
    label?: string | undefined;
    supports?: {
        media?: boolean | undefined;
        contentType?: string[] | undefined;
        output?: string[] | undefined;
        context?: boolean | undefined;
        multiturn?: boolean | undefined;
        tools?: boolean | undefined;
        systemRole?: boolean | undefined;
        constrained?: "none" | "all" | "no-tools" | undefined;
        toolChoice?: boolean | undefined;
    } | undefined;
    configSchema?: Record<string, any> | undefined;
    versions?: string[] | undefined;
    stage?: "featured" | "stable" | "unstable" | "legacy" | "deprecated" | undefined;
}, {
    label?: string | undefined;
    supports?: {
        media?: boolean | undefined;
        contentType?: string[] | undefined;
        output?: string[] | undefined;
        context?: boolean | undefined;
        multiturn?: boolean | undefined;
        tools?: boolean | undefined;
        systemRole?: boolean | undefined;
        constrained?: "none" | "all" | "no-tools" | undefined;
        toolChoice?: boolean | undefined;
    } | undefined;
    configSchema?: Record<string, any> | undefined;
    versions?: string[] | undefined;
    stage?: "featured" | "stable" | "unstable" | "legacy" | "deprecated" | undefined;
}>;
/**
 * Model info metadata.
 */
type ModelInfo = z.infer<typeof ModelInfoSchema>;
/**
 * Zod schema of a tool definition.
 */
declare const ToolDefinitionSchema: z.ZodObject<{
    name: z.ZodString;
    description: z.ZodString;
    inputSchema: z.ZodOptional<z.ZodNullable<z.ZodRecord<z.ZodString, z.ZodAny>>>;
    outputSchema: z.ZodOptional<z.ZodNullable<z.ZodRecord<z.ZodString, z.ZodAny>>>;
    metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodAny>>;
}, "strip", z.ZodTypeAny, {
    name: string;
    description: string;
    metadata?: Record<string, any> | undefined;
    inputSchema?: Record<string, any> | null | undefined;
    outputSchema?: Record<string, any> | null | undefined;
}, {
    name: string;
    description: string;
    metadata?: Record<string, any> | undefined;
    inputSchema?: Record<string, any> | null | undefined;
    outputSchema?: Record<string, any> | null | undefined;
}>;
/**
 * Tool definition.
 */
type ToolDefinition = z.infer<typeof ToolDefinitionSchema>;
/**
 * Configuration parameter descriptions.
 */
declare const GenerationCommonConfigDescriptions: {
    temperature: string;
    maxOutputTokens: string;
    topK: string;
    topP: string;
};
/**
 * Zod schema of a common config object.
 */
declare const GenerationCommonConfigSchema: z.ZodObject<{
    version: z.ZodOptional<z.ZodString>;
    temperature: z.ZodOptional<z.ZodNumber>;
    maxOutputTokens: z.ZodOptional<z.ZodNumber>;
    topK: z.ZodOptional<z.ZodNumber>;
    topP: z.ZodOptional<z.ZodNumber>;
    stopSequences: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
}, "passthrough", z.ZodTypeAny, z.objectOutputType<{
    version: z.ZodOptional<z.ZodString>;
    temperature: z.ZodOptional<z.ZodNumber>;
    maxOutputTokens: z.ZodOptional<z.ZodNumber>;
    topK: z.ZodOptional<z.ZodNumber>;
    topP: z.ZodOptional<z.ZodNumber>;
    stopSequences: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
}, z.ZodTypeAny, "passthrough">, z.objectInputType<{
    version: z.ZodOptional<z.ZodString>;
    temperature: z.ZodOptional<z.ZodNumber>;
    maxOutputTokens: z.ZodOptional<z.ZodNumber>;
    topK: z.ZodOptional<z.ZodNumber>;
    topP: z.ZodOptional<z.ZodNumber>;
    stopSequences: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
}, z.ZodTypeAny, "passthrough">>;
/**
 * Common config object.
 */
type GenerationCommonConfig = typeof GenerationCommonConfigSchema;
/**
 * Zod schema of output config.
 */
declare const OutputConfigSchema: z.ZodObject<{
    format: z.ZodOptional<z.ZodString>;
    schema: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodAny>>;
    constrained: z.ZodOptional<z.ZodBoolean>;
    contentType: z.ZodOptional<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    contentType?: string | undefined;
    constrained?: boolean | undefined;
    format?: string | undefined;
    schema?: Record<string, any> | undefined;
}, {
    contentType?: string | undefined;
    constrained?: boolean | undefined;
    format?: string | undefined;
    schema?: Record<string, any> | undefined;
}>;
/**
 * Output config.
 */
type OutputConfig = z.infer<typeof OutputConfigSchema>;
/** ModelRequestSchema represents the parameters that are passed to a model when generating content. */
declare const ModelRequestSchema: z.ZodObject<{
    messages: z.ZodArray<z.ZodObject<{
        role: z.ZodEnum<["system", "user", "model", "tool"]>;
        content: z.ZodArray<z.ZodUnion<[z.ZodObject<{
            media: z.ZodOptional<z.ZodNever>;
            toolRequest: z.ZodOptional<z.ZodNever>;
            toolResponse: z.ZodOptional<z.ZodNever>;
            data: z.ZodOptional<z.ZodUnknown>;
            metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            reasoning: z.ZodOptional<z.ZodNever>;
            resource: z.ZodOptional<z.ZodNever>;
        } & {
            text: z.ZodString;
        }, "strip", z.ZodTypeAny, {
            text: string;
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }, {
            text: string;
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }>, z.ZodObject<{
            text: z.ZodOptional<z.ZodNever>;
            toolRequest: z.ZodOptional<z.ZodNever>;
            toolResponse: z.ZodOptional<z.ZodNever>;
            data: z.ZodOptional<z.ZodUnknown>;
            metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            reasoning: z.ZodOptional<z.ZodNever>;
            resource: z.ZodOptional<z.ZodNever>;
        } & {
            media: z.ZodObject<{
                contentType: z.ZodOptional<z.ZodString>;
                url: z.ZodString;
            }, "strip", z.ZodTypeAny, {
                url: string;
                contentType?: string | undefined;
            }, {
                url: string;
                contentType?: string | undefined;
            }>;
        }, "strip", z.ZodTypeAny, {
            media: {
                url: string;
                contentType?: string | undefined;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }, {
            media: {
                url: string;
                contentType?: string | undefined;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }>, z.ZodObject<{
            text: z.ZodOptional<z.ZodNever>;
            media: z.ZodOptional<z.ZodNever>;
            toolResponse: z.ZodOptional<z.ZodNever>;
            data: z.ZodOptional<z.ZodUnknown>;
            metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            reasoning: z.ZodOptional<z.ZodNever>;
            resource: z.ZodOptional<z.ZodNever>;
        } & {
            toolRequest: z.ZodObject<{
                ref: z.ZodOptional<z.ZodString>;
                name: z.ZodString;
                input: z.ZodOptional<z.ZodUnknown>;
            }, "strip", z.ZodTypeAny, {
                name: string;
                input?: unknown;
                ref?: string | undefined;
            }, {
                name: string;
                input?: unknown;
                ref?: string | undefined;
            }>;
        }, "strip", z.ZodTypeAny, {
            toolRequest: {
                name: string;
                input?: unknown;
                ref?: string | undefined;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }, {
            toolRequest: {
                name: string;
                input?: unknown;
                ref?: string | undefined;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }>, z.ZodObject<{
            text: z.ZodOptional<z.ZodNever>;
            media: z.ZodOptional<z.ZodNever>;
            toolRequest: z.ZodOptional<z.ZodNever>;
            data: z.ZodOptional<z.ZodUnknown>;
            metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            reasoning: z.ZodOptional<z.ZodNever>;
            resource: z.ZodOptional<z.ZodNever>;
        } & {
            toolResponse: z.ZodObject<{
                ref: z.ZodOptional<z.ZodString>;
                name: z.ZodString;
                output: z.ZodOptional<z.ZodUnknown>;
            }, "strip", z.ZodTypeAny, {
                name: string;
                ref?: string | undefined;
                output?: unknown;
            }, {
                name: string;
                ref?: string | undefined;
                output?: unknown;
            }>;
        }, "strip", z.ZodTypeAny, {
            toolResponse: {
                name: string;
                ref?: string | undefined;
                output?: unknown;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }, {
            toolResponse: {
                name: string;
                ref?: string | undefined;
                output?: unknown;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }>, z.ZodObject<{
            text: z.ZodOptional<z.ZodNever>;
            media: z.ZodOptional<z.ZodNever>;
            toolRequest: z.ZodOptional<z.ZodNever>;
            toolResponse: z.ZodOptional<z.ZodNever>;
            metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            reasoning: z.ZodOptional<z.ZodNever>;
            resource: z.ZodOptional<z.ZodNever>;
        } & {
            data: z.ZodUnknown;
        }, "strip", z.ZodTypeAny, {
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }, {
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }>, z.ZodObject<{
            text: z.ZodOptional<z.ZodNever>;
            media: z.ZodOptional<z.ZodNever>;
            toolRequest: z.ZodOptional<z.ZodNever>;
            toolResponse: z.ZodOptional<z.ZodNever>;
            data: z.ZodOptional<z.ZodUnknown>;
            metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            reasoning: z.ZodOptional<z.ZodNever>;
            resource: z.ZodOptional<z.ZodNever>;
        } & {
            custom: z.ZodRecord<z.ZodString, z.ZodAny>;
        }, "strip", z.ZodTypeAny, {
            custom: Record<string, any>;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }, {
            custom: Record<string, any>;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        }>, z.ZodObject<{
            text: z.ZodOptional<z.ZodNever>;
            media: z.ZodOptional<z.ZodNever>;
            toolRequest: z.ZodOptional<z.ZodNever>;
            toolResponse: z.ZodOptional<z.ZodNever>;
            data: z.ZodOptional<z.ZodUnknown>;
            metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            resource: z.ZodOptional<z.ZodNever>;
        } & {
            reasoning: z.ZodString;
        }, "strip", z.ZodTypeAny, {
            reasoning: string;
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            resource?: undefined;
        }, {
            reasoning: string;
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            resource?: undefined;
        }>, z.ZodObject<{
            text: z.ZodOptional<z.ZodNever>;
            media: z.ZodOptional<z.ZodNever>;
            toolRequest: z.ZodOptional<z.ZodNever>;
            toolResponse: z.ZodOptional<z.ZodNever>;
            data: z.ZodOptional<z.ZodUnknown>;
            metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            custom: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
            reasoning: z.ZodOptional<z.ZodNever>;
        } & {
            resource: z.ZodObject<{
                uri: z.ZodString;
            }, "strip", z.ZodTypeAny, {
                uri: string;
            }, {
                uri: string;
            }>;
        }, "strip", z.ZodTypeAny, {
            resource: {
                uri: string;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
        }, {
            resource: {
                uri: string;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
        }>]>, "many">;
        metadata: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
    }, "strip", z.ZodTypeAny, {
        content: ({
            text: string;
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        } | {
            media: {
                url: string;
                contentType?: string | undefined;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        } | {
            reasoning: string;
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            resource?: undefined;
        } | {
            toolRequest: {
                name: string;
                input?: unknown;
                ref?: string | undefined;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolResponse?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        } | {
            toolResponse: {
                name: string;
                ref?: string | undefined;
                output?: unknown;
            };
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            data?: unknown;
            reasoning?: undefined;
            resource?: undefined;
        } | {
            custom?: Record<string, unknown> | undefined;
            metadata?: Record<string, unknown> | undefined;
            text?: undefined;
            media?: undefined;
            toolRequest?: undefined;
            toolResponse