/**
 * Zod schemas for the OpenAI chat-completions request shape we accept on the
 * gateway. Mirrors https://platform.openai.com/docs/api-reference/chat — only
 * the shapes the gateway translation layer understands. Unknown fields on
 * permissive objects are accepted-and-stripped (via `z.unknown()` passthroughs
 * or `.loose()`) so the official OpenAI SDK — which sends a growing pile of
 * non-strict defaults (e.g. `stream_options.include_obfuscation`) — does not
 * trip 400s on shapes we simply ignore.
 */
import type { ChatCompletionContentPart, ChatCompletionCreateParams, ChatCompletionMessageParam, ChatCompletionMessageToolCall, ChatCompletionTool, ChatCompletionToolChoiceOption } from "openai/resources/chat/completions";
import * as z from "zod/v4";
export declare const textPartSchema: z.ZodObject<{
    type: z.ZodLiteral<"text">;
    text: z.ZodString;
}, z.core.$strip>;
/**
 * OpenAI documents `image_url` as either `{ url: string, detail?: ... }` or —
 * older clients — a bare string. Accept both shapes; downstream we extract a
 * URL. `detail` is accepted for forward-compat but currently dropped (pi-ai's
 * `ImageContent` has no detail field — TODO: plumb through if/when added).
 */
export declare const imagePartSchema: z.ZodObject<{
    type: z.ZodLiteral<"image_url">;
    image_url: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
        url: z.ZodString;
        detail: z.ZodOptional<z.ZodEnum<{
            auto: "auto";
            high: "high";
            low: "low";
        }>>;
    }, z.core.$strip>]>;
}, z.core.$strip>;
/** OpenAI audio input block (gpt-4o-audio). Accepted; currently dropped downstream. */
export declare const inputAudioPartSchema: z.ZodObject<{
    type: z.ZodLiteral<"input_audio">;
    input_audio: z.ZodObject<{
        data: z.ZodString;
        format: z.ZodEnum<{
            mp3: "mp3";
            wav: "wav";
        }>;
    }, z.core.$strip>;
}, z.core.$strip>;
/** OpenAI file input block (file_search / vision-document). Accepted; currently dropped downstream. */
export declare const filePartSchema: z.ZodObject<{
    type: z.ZodLiteral<"file">;
    file: z.ZodObject<{
        file_id: z.ZodOptional<z.ZodString>;
        filename: z.ZodOptional<z.ZodString>;
        file_data: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>;
}, z.core.$strip>;
/** Replayed assistant refusal block. Accepted; currently dropped downstream. */
export declare const refusalPartSchema: z.ZodObject<{
    type: z.ZodLiteral<"refusal">;
    refusal: z.ZodString;
}, z.core.$strip>;
/**
 * Forward-compat catch-all for unknown content-part types. Matches every other
 * `{ type: string, ... }` object so a new OpenAI block kind does not 400 the
 * whole request; the walker ignores parts whose `type` it does not know.
 */
export declare const unknownPartSchema: z.ZodObject<{
    type: z.ZodString;
}, z.core.$loose>;
export declare const userContentPartSchema: z.ZodUnion<readonly [z.ZodObject<{
    type: z.ZodLiteral<"text">;
    text: z.ZodString;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"image_url">;
    image_url: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
        url: z.ZodString;
        detail: z.ZodOptional<z.ZodEnum<{
            auto: "auto";
            high: "high";
            low: "low";
        }>>;
    }, z.core.$strip>]>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"input_audio">;
    input_audio: z.ZodObject<{
        data: z.ZodString;
        format: z.ZodEnum<{
            mp3: "mp3";
            wav: "wav";
        }>;
    }, z.core.$strip>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"file">;
    file: z.ZodObject<{
        file_id: z.ZodOptional<z.ZodString>;
        filename: z.ZodOptional<z.ZodString>;
        file_data: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"refusal">;
    refusal: z.ZodString;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodString;
}, z.core.$loose>]>;
export declare const toolCallSchema: z.ZodObject<{
    id: z.ZodString;
    type: z.ZodOptional<z.ZodLiteral<"function">>;
    function: z.ZodObject<{
        name: z.ZodString;
        arguments: z.ZodString;
    }, z.core.$strip>;
}, z.core.$strip>;
export declare const toolSchema: z.ZodObject<{
    type: z.ZodLiteral<"function">;
    function: z.ZodObject<{
        name: z.ZodString;
        description: z.ZodOptional<z.ZodString>;
        parameters: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodUnknown>>;
        strict: z.ZodOptional<z.ZodBoolean>;
    }, z.core.$strip>;
}, z.core.$strip>;
export declare const toolChoiceSchema: z.ZodUnion<readonly [z.ZodLiteral<"auto">, z.ZodLiteral<"none">, z.ZodLiteral<"required">, z.ZodObject<{
    type: z.ZodLiteral<"function">;
    function: z.ZodObject<{
        name: z.ZodString;
    }, z.core.$strip>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"tool">;
    name: z.ZodString;
}, z.core.$strip>]>;
export declare const systemMessageSchema: z.ZodObject<{
    role: z.ZodLiteral<"system">;
    content: z.ZodPipe<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"image_url">;
        image_url: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
            url: z.ZodString;
            detail: z.ZodOptional<z.ZodEnum<{
                auto: "auto";
                high: "high";
                low: "low";
            }>>;
        }, z.core.$strip>]>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"input_audio">;
        input_audio: z.ZodObject<{
            data: z.ZodString;
            format: z.ZodEnum<{
                mp3: "mp3";
                wav: "wav";
            }>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"file">;
        file: z.ZodObject<{
            file_id: z.ZodOptional<z.ZodString>;
            filename: z.ZodOptional<z.ZodString>;
            file_data: z.ZodOptional<z.ZodString>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"refusal">;
        refusal: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodString;
    }, z.core.$loose>]>>]>>, z.ZodTransform<string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[], string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[] | null>>;
}, z.core.$strip>;
export declare const developerMessageSchema: z.ZodObject<{
    role: z.ZodLiteral<"developer">;
    content: z.ZodPipe<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"image_url">;
        image_url: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
            url: z.ZodString;
            detail: z.ZodOptional<z.ZodEnum<{
                auto: "auto";
                high: "high";
                low: "low";
            }>>;
        }, z.core.$strip>]>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"input_audio">;
        input_audio: z.ZodObject<{
            data: z.ZodString;
            format: z.ZodEnum<{
                mp3: "mp3";
                wav: "wav";
            }>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"file">;
        file: z.ZodObject<{
            file_id: z.ZodOptional<z.ZodString>;
            filename: z.ZodOptional<z.ZodString>;
            file_data: z.ZodOptional<z.ZodString>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"refusal">;
        refusal: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodString;
    }, z.core.$loose>]>>]>>, z.ZodTransform<string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[], string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[] | null>>;
}, z.core.$strip>;
export declare const userMessageSchema: z.ZodObject<{
    role: z.ZodLiteral<"user">;
    content: z.ZodPipe<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"image_url">;
        image_url: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
            url: z.ZodString;
            detail: z.ZodOptional<z.ZodEnum<{
                auto: "auto";
                high: "high";
                low: "low";
            }>>;
        }, z.core.$strip>]>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"input_audio">;
        input_audio: z.ZodObject<{
            data: z.ZodString;
            format: z.ZodEnum<{
                mp3: "mp3";
                wav: "wav";
            }>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"file">;
        file: z.ZodObject<{
            file_id: z.ZodOptional<z.ZodString>;
            filename: z.ZodOptional<z.ZodString>;
            file_data: z.ZodOptional<z.ZodString>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"refusal">;
        refusal: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodString;
    }, z.core.$loose>]>>]>>, z.ZodTransform<string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[], string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[] | null>>;
}, z.core.$strip>;
export declare const assistantMessageSchema: z.ZodObject<{
    role: z.ZodLiteral<"assistant">;
    content: z.ZodPipe<z.ZodOptional<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"image_url">;
        image_url: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
            url: z.ZodString;
            detail: z.ZodOptional<z.ZodEnum<{
                auto: "auto";
                high: "high";
                low: "low";
            }>>;
        }, z.core.$strip>]>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"input_audio">;
        input_audio: z.ZodObject<{
            data: z.ZodString;
            format: z.ZodEnum<{
                mp3: "mp3";
                wav: "wav";
            }>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"file">;
        file: z.ZodObject<{
            file_id: z.ZodOptional<z.ZodString>;
            filename: z.ZodOptional<z.ZodString>;
            file_data: z.ZodOptional<z.ZodString>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"refusal">;
        refusal: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodString;
    }, z.core.$loose>]>>]>>>, z.ZodTransform<NonNullable<string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[]> | undefined, string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[] | null | undefined>>;
    tool_calls: z.ZodPipe<z.ZodOptional<z.ZodNullable<z.ZodArray<z.ZodObject<{
        id: z.ZodString;
        type: z.ZodOptional<z.ZodLiteral<"function">>;
        function: z.ZodObject<{
            name: z.ZodString;
            arguments: z.ZodString;
        }, z.core.$strip>;
    }, z.core.$strip>>>>, z.ZodTransform<{
        id: string;
        type?: "function" | undefined;
        function: {
            name: string;
            arguments: string;
        };
    }[] | undefined, {
        id: string;
        type?: "function" | undefined;
        function: {
            name: string;
            arguments: string;
        };
    }[] | null | undefined>>;
}, z.core.$strip>;
export declare const toolMessageSchema: z.ZodObject<{
    role: z.ZodLiteral<"tool">;
    content: z.ZodPipe<z.ZodOptional<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"image_url">;
        image_url: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
            url: z.ZodString;
            detail: z.ZodOptional<z.ZodEnum<{
                auto: "auto";
                high: "high";
                low: "low";
            }>>;
        }, z.core.$strip>]>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"input_audio">;
        input_audio: z.ZodObject<{
            data: z.ZodString;
            format: z.ZodEnum<{
                mp3: "mp3";
                wav: "wav";
            }>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"file">;
        file: z.ZodObject<{
            file_id: z.ZodOptional<z.ZodString>;
            filename: z.ZodOptional<z.ZodString>;
            file_data: z.ZodOptional<z.ZodString>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"refusal">;
        refusal: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodString;
    }, z.core.$loose>]>>]>>>, z.ZodTransform<NonNullable<string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[]> | undefined, string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[] | null | undefined>>;
    tool_call_id: z.ZodPipe<z.ZodOptional<z.ZodNullable<z.ZodString>>, z.ZodTransform<string | undefined, string | null | undefined>>;
}, z.core.$strip>;
/**
 * Legacy `function` role (pre-tools API). Translated to a `tool` role
 * canonical message in the walker so downstream providers see one shape.
 */
export declare const functionMessageSchema: z.ZodObject<{
    role: z.ZodLiteral<"function">;
    name: z.ZodString;
    content: z.ZodNullable<z.ZodString>;
}, z.core.$strip>;
export declare const messageSchema: z.ZodDiscriminatedUnion<[z.ZodObject<{
    role: z.ZodLiteral<"system">;
    content: z.ZodPipe<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"image_url">;
        image_url: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
            url: z.ZodString;
            detail: z.ZodOptional<z.ZodEnum<{
                auto: "auto";
                high: "high";
                low: "low";
            }>>;
        }, z.core.$strip>]>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"input_audio">;
        input_audio: z.ZodObject<{
            data: z.ZodString;
            format: z.ZodEnum<{
                mp3: "mp3";
                wav: "wav";
            }>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"file">;
        file: z.ZodObject<{
            file_id: z.ZodOptional<z.ZodString>;
            filename: z.ZodOptional<z.ZodString>;
            file_data: z.ZodOptional<z.ZodString>;
        }, z.core.$strip>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"refusal">;
        refusal: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodString;
    }, z.core.$loose>]>>]>>, z.ZodTransform<string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[], string | ({
        type: "text";
        text: string;
    } | {
        type: "image_url";
        image_url: string | {
            url: string;
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        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[] | null>>;
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        type: "input_audio";
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            format: "mp3" | "wav";
        };
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        type: "file";
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            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
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        [x: string]: unknown;
        type: string;
    })[], string | ({
        type: "text";
        text: string;
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        type: "image_url";
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            url: string;
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        };
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        type: "input_audio";
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            data: string;
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        };
    } | {
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            file_data?: string | undefined;
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        [x: string]: unknown;
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            arguments: z.ZodString;
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        id: string;
        type?: "function" | undefined;
        function: {
            name: string;
            arguments: string;
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    }[] | undefined, {
        id: string;
        type?: "function" | undefined;
        function: {
            name: string;
            arguments: string;
        };
    }[] | null | undefined>>;
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        image_url: z.ZodUnion<readonly [z.ZodString, z.ZodObject<{
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                high: "high";
                low: "low";
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        input_audio: z.ZodObject<{
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            format: z.ZodEnum<{
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                wav: "wav";
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        file: z.ZodObject<{
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            filename: z.ZodOptional<z.ZodString>;
            file_data: z.ZodOptional<z.ZodString>;
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        refusal: z.ZodString;
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        type: "text";
        text: string;
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        type: "image_url";
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            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
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        [x: string]: unknown;
        type: string;
    })[]> | undefined, string | ({
        type: "text";
        text: string;
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        type: "image_url";
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            url: string;
            detail?: "auto" | "high" | "low" | undefined;
        };
    } | {
        type: "input_audio";
        input_audio: {
            data: string;
            format: "mp3" | "wav";
        };
    } | {
        type: "file";
        file: {
            file_id?: string | undefined;
            filename?: string | undefined;
            file_data?: string | undefined;
        };
    } | {
        type: "refusal";
        refusal: string;
    } | {
        [x: string]: unknown;
        type: string;
    })[] | null | undefined>>;
    tool_call_id: z.ZodPipe<z.ZodOptional<z.ZodNullable<z.ZodString>>, z.ZodTransform<string | undefined, string | null | undefined>>;
}, z.core.$strip>, z.ZodObject<{
    role: z.ZodLiteral<"function">;
    name: z.ZodString;
    content: z.ZodNullable<z.ZodString>;
}, z.core.$strip>], "role">;
/**
 * Permissive: the official OpenAI SDK sets `include_obfuscation: false` by
 * default. We only consume `include_usage`, so unknown keys are silently
 * stripped rather than 400'd.
 */
export declare const streamOptionsSchema: z.ZodObject<{
    include_usage: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>;
export declare const stopSchema: z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodString>]>;
export declare const openaiChatRequestSchema: z.ZodObject<{
    model: z.ZodString;
    messages: z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
        role: z.ZodLiteral<"system">;
        content: z.ZodPipe<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
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            text: z.ZodString;
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                    high: "high";
                    low: "low";
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            input_audio: z.ZodObject<{
                data: z.ZodString;
                format: z.ZodEnum<{
                    mp3: "mp3";
                    wav: "wav";
                }>;
            }, z.core.$strip>;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"file">;
            file: z.ZodObject<{
                file_id: z.ZodOptional<z.ZodString>;
                filename: z.ZodOptional<z.ZodString>;
                file_data: z.ZodOptional<z.ZodString>;
            }, z.core.$strip>;
        }, z.core.$strip>, z.ZodObject<{
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            refusal: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
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        }, z.core.$loose>]>>]>>, z.ZodTransform<string | ({
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            text: string;
        } | {
            type: "image_url";
            image_url: string | {
                url: string;
                detail?: "auto" | "high" | "low" | undefined;
            };
        } | {
            type: "input_audio";
            input_audio: {
                data: string;
                format: "mp3" | "wav";
            };
        } | {
            type: "file";
            file: {
                file_id?: string | undefined;
                filename?: string | undefined;
                file_data?: string | undefined;
            };
        } | {
            type: "refusal";
            refusal: string;
        } | {
            [x: string]: unknown;
            type: string;
        })[], string | ({
            type: "text";
            text: string;
        } | {
            type: "image_url";
            image_url: string | {
                url: string;
                detail?: "auto" | "high" | "low" | undefined;
            };
        } | {
            type: "input_audio";
            input_audio: {
                data: string;
                format: "mp3" | "wav";
            };
        } | {
            type: "file";
            file: {
                file_id?: string | undefined;
                filename?: string | undefined;
                file_data?: string | undefined;
            };
        } | {
            type: "refusal";
            refusal: string;
        } | {
            [x: string]: unknown;
            type: string;
        })[] | null>>;
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        content: z.ZodPipe<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
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                    high: "high";
                    low: "low";
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                format: z.ZodEnum<{
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                url: string;
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            };
        } | {
            type: "input_audio";
            input_audio: {
                data: string;
                format: "mp3" | "wav";
            };
        } | {
            type: "file";
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                file_id?: string | undefined;
                filename?: string | undefined;
                file_data?: string | undefined;
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            type: "refusal";
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            type: "input_audio";
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                data: string;
                format: "mp3" | "wav";
            };
        } | {
            type: "file";
            file: {
                file_id?: string | undefined;
                filename?: string | undefined;
                file_data?: string | undefined;
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        } | {
            type: "refusal";
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                file_data: z.ZodOptional<z.ZodString>;
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            type: "image_url";
            image_url: string | {
                url: string;
                detail?: "auto" | "high" | "low" | undefined;
            };
        } | {
            type: "input_audio";
            input_audio: {
                data: string;
                format: "mp3" | "wav";
            };
        } | {
            type: "file";
            file: {
                file_id?: string | undefined;
                filename?: string | undefined;
                file_data?: string | undefined;
            };
        } | {
            type: "refusal";
            refusal: string;
        } | {
            [x: string]: unknown;
            type: string;
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            type: "text";
            text: string;
        } | {
            type: "image_url";
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        } | {
            type: "input_audio";
            input_audio: {
                data: string;
                format: "mp3" | "wav";
            };
        } | {
            type: "file";
            file: {
                file_id?: string | undefined;
                filename?: string | undefined;
                file_data?: string | undefined;
            };
        } | {
            type: "refusal";
            refusal: string;
        } | {
            [x: string]: unknown;
            type: string;
        })[] | null>>;
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/**
 * Public types are sourced from the OpenAI SDK so the gateway stays in
 * lock-step with the canonical API surface; the schemas above are runtime
 * validators for the subset we actually accept.
 */
export type OpenAIChatRequest = ChatCompletionCreateParams;
export type OpenAIChatMessage = ChatCompletionMessageParam;
export type OpenAIChatToolCall = ChatCompletionMessageToolCall;
export type OpenAIChatTool = ChatCompletionTool;
export type OpenAIChatToolChoice = ChatCompletionToolChoiceOption;
export type OpenAIChatContentPart = ChatCompletionContentPart;