import * as z from "zod";
import type { SseFrame } from "../../utils/stream";
import type { ProviderMetadata } from "../shared/schema";
declare const UserContentBlockSchema: z.ZodDiscriminatedUnion<[z.ZodObject<{
    type: z.ZodLiteral<"text">;
    text: z.ZodString;
    cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
        type: z.ZodLiteral<"ephemeral">;
        ttl: z.ZodOptional<z.ZodEnum<{
            "1h": "1h";
            "24h": "24h";
            "5m": "5m";
        }>>;
    }, z.core.$strip>>>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"image">;
    source: z.ZodDiscriminatedUnion<[z.ZodObject<{
        type: z.ZodLiteral<"base64">;
        media_type: z.ZodString;
        data: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"url">;
        url: z.ZodString;
    }, z.core.$strip>], "type">;
    cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
        type: z.ZodLiteral<"ephemeral">;
        ttl: z.ZodOptional<z.ZodEnum<{
            "1h": "1h";
            "24h": "24h";
            "5m": "5m";
        }>>;
    }, z.core.$strip>>>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"tool_result">;
    tool_use_id: z.ZodString;
    content: z.ZodOptional<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
        cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
            type: z.ZodLiteral<"ephemeral">;
            ttl: z.ZodOptional<z.ZodEnum<{
                "1h": "1h";
                "24h": "24h";
                "5m": "5m";
            }>>;
        }, z.core.$strip>>>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"image">;
        source: z.ZodDiscriminatedUnion<[z.ZodObject<{
            type: z.ZodLiteral<"base64">;
            media_type: z.ZodString;
            data: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"url">;
            url: z.ZodString;
        }, z.core.$strip>], "type">;
        cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
            type: z.ZodLiteral<"ephemeral">;
            ttl: z.ZodOptional<z.ZodEnum<{
                "1h": "1h";
                "24h": "24h";
                "5m": "5m";
            }>>;
        }, z.core.$strip>>>;
    }, z.core.$strip>]>>]>>>;
    is_error: z.ZodOptional<z.ZodNullable<z.ZodBoolean>>;
    cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
        type: z.ZodLiteral<"ephemeral">;
        ttl: z.ZodOptional<z.ZodEnum<{
            "1h": "1h";
            "24h": "24h";
            "5m": "5m";
        }>>;
    }, z.core.$strip>>>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"document">;
    source: z.ZodDiscriminatedUnion<[z.ZodObject<{
        type: z.ZodLiteral<"base64">;
        media_type: z.ZodString;
        data: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"url">;
        url: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"text">;
        data: z.ZodString;
        media_type: z.ZodLiteral<"text/plain">;
    }, z.core.$strip>], "type">;
    title: z.ZodOptional<z.ZodNullable<z.ZodString>>;
    context: z.ZodOptional<z.ZodNullable<z.ZodString>>;
    cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
        type: z.ZodLiteral<"ephemeral">;
        ttl: z.ZodOptional<z.ZodEnum<{
            "1h": "1h";
            "24h": "24h";
            "5m": "5m";
        }>>;
    }, z.core.$strip>>>;
}, z.core.$strip>], "type">;
export type UserContentBlock = z.infer<typeof UserContentBlockSchema>;
declare const AssistantContentBlockSchema: z.ZodDiscriminatedUnion<[z.ZodObject<{
    type: z.ZodLiteral<"text">;
    text: z.ZodString;
    cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
        type: z.ZodLiteral<"ephemeral">;
        ttl: z.ZodOptional<z.ZodEnum<{
            "1h": "1h";
            "24h": "24h";
            "5m": "5m";
        }>>;
    }, z.core.$strip>>>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"tool_use">;
    id: z.ZodString;
    name: z.ZodString;
    input: z.ZodAny;
    caller: z.ZodOptional<z.ZodNullable<z.ZodString>>;
    extra_content: z.ZodOptional<z.ZodNullable<z.ZodType<import("@ai-sdk/provider").SharedV4ProviderMetadata, unknown, z.core.$ZodTypeInternals<import("@ai-sdk/provider").SharedV4ProviderMetadata, unknown>>>>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"thinking">;
    thinking: z.ZodString;
    signature: z.ZodString;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"redacted_thinking">;
    data: z.ZodString;
}, z.core.$strip>], "type">;
export type AssistantContentBlock = z.infer<typeof AssistantContentBlockSchema>;
declare const MessagesMessageSchema: z.ZodDiscriminatedUnion<[z.ZodObject<{
    role: z.ZodLiteral<"user">;
    content: z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
        cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
            type: z.ZodLiteral<"ephemeral">;
            ttl: z.ZodOptional<z.ZodEnum<{
                "1h": "1h";
                "24h": "24h";
                "5m": "5m";
            }>>;
        }, z.core.$strip>>>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"image">;
        source: z.ZodDiscriminatedUnion<[z.ZodObject<{
            type: z.ZodLiteral<"base64">;
            media_type: z.ZodString;
            data: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"url">;
            url: z.ZodString;
        }, z.core.$strip>], "type">;
        cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
            type: z.ZodLiteral<"ephemeral">;
            ttl: z.ZodOptional<z.ZodEnum<{
                "1h": "1h";
                "24h": "24h";
                "5m": "5m";
            }>>;
        }, z.core.$strip>>>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"tool_result">;
        tool_use_id: z.ZodString;
        content: z.ZodOptional<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
            type: z.ZodLiteral<"text">;
            text: z.ZodString;
            cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
                type: z.ZodLiteral<"ephemeral">;
                ttl: z.ZodOptional<z.ZodEnum<{
                    "1h": "1h";
                    "24h": "24h";
                    "5m": "5m";
                }>>;
            }, z.core.$strip>>>;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"image">;
            source: z.ZodDiscriminatedUnion<[z.ZodObject<{
                type: z.ZodLiteral<"base64">;
                media_type: z.ZodString;
                data: z.ZodString;
            }, z.core.$strip>, z.ZodObject<{
                type: z.ZodLiteral<"url">;
                url: z.ZodString;
            }, z.core.$strip>], "type">;
            cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
                type: z.ZodLiteral<"ephemeral">;
                ttl: z.ZodOptional<z.ZodEnum<{
                    "1h": "1h";
                    "24h": "24h";
                    "5m": "5m";
                }>>;
            }, z.core.$strip>>>;
        }, z.core.$strip>]>>]>>>;
        is_error: z.ZodOptional<z.ZodNullable<z.ZodBoolean>>;
        cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
            type: z.ZodLiteral<"ephemeral">;
            ttl: z.ZodOptional<z.ZodEnum<{
                "1h": "1h";
                "24h": "24h";
                "5m": "5m";
            }>>;
        }, z.core.$strip>>>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"document">;
        source: z.ZodDiscriminatedUnion<[z.ZodObject<{
            type: z.ZodLiteral<"base64">;
            media_type: z.ZodString;
            data: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"url">;
            url: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"text">;
            data: z.ZodString;
            media_type: z.ZodLiteral<"text/plain">;
        }, z.core.$strip>], "type">;
        title: z.ZodOptional<z.ZodNullable<z.ZodString>>;
        context: z.ZodOptional<z.ZodNullable<z.ZodString>>;
        cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
            type: z.ZodLiteral<"ephemeral">;
            ttl: z.ZodOptional<z.ZodEnum<{
                "1h": "1h";
                "24h": "24h";
                "5m": "5m";
            }>>;
        }, z.core.$strip>>>;
    }, z.core.$strip>], "type">>]>;
}, z.core.$strip>, z.ZodObject<{
    role: z.ZodLiteral<"assistant">;
    content: z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
        cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
            type: z.ZodLiteral<"ephemeral">;
            ttl: z.ZodOptional<z.ZodEnum<{
                "1h": "1h";
                "24h": "24h";
                "5m": "5m";
            }>>;
        }, z.core.$strip>>>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"tool_use">;
        id: z.ZodString;
        name: z.ZodString;
        input: z.ZodAny;
        caller: z.ZodOptional<z.ZodNullable<z.ZodString>>;
        extra_content: z.ZodOptional<z.ZodNullable<z.ZodType<import("@ai-sdk/provider").SharedV4ProviderMetadata, unknown, z.core.$ZodTypeInternals<import("@ai-sdk/provider").SharedV4ProviderMetadata, unknown>>>>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"thinking">;
        thinking: z.ZodString;
        signature: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"redacted_thinking">;
        data: z.ZodString;
    }, z.core.$strip>], "type">>]>;
}, z.core.$strip>], "role">;
export type MessagesMessage = z.infer<typeof MessagesMessageSchema>;
declare const MessagesCustomToolSchema: z.ZodObject<{
    type: z.ZodOptional<z.ZodLiteral<"custom">>;
    name: z.ZodString;
    description: z.ZodOptional<z.ZodString>;
    input_schema: z.ZodAny;
    strict: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>;
export type MessagesCustomTool = z.infer<typeof MessagesCustomToolSchema>;
declare const MessagesHostedToolSchema: z.ZodObject<{
    type: z.ZodString;
}, z.core.$loose>;
export type MessagesHostedTool = z.infer<typeof MessagesHostedToolSchema>;
declare const MessagesToolSchema: z.ZodUnion<readonly [z.ZodObject<{
    type: z.ZodOptional<z.ZodLiteral<"custom">>;
    name: z.ZodString;
    description: z.ZodOptional<z.ZodString>;
    input_schema: z.ZodAny;
    strict: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodString;
}, z.core.$loose>]>;
export type MessagesTool = z.infer<typeof MessagesToolSchema>;
declare const MessagesToolChoiceSchema: z.ZodDiscriminatedUnion<[z.ZodObject<{
    type: z.ZodLiteral<"auto">;
    disable_parallel_tool_use: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"any">;
    disable_parallel_tool_use: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"none">;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"tool">;
    name: z.ZodString;
    disable_parallel_tool_use: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>], "type">;
export type MessagesToolChoice = z.infer<typeof MessagesToolChoiceSchema>;
declare const MessagesThinkingConfigSchema: z.ZodDiscriminatedUnion<[z.ZodObject<{
    type: z.ZodLiteral<"enabled">;
    budget_tokens: z.ZodNumber;
    display: z.ZodOptional<z.ZodEnum<{
        omitted: "omitted";
        summarized: "summarized";
    }>>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"disabled">;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"adaptive">;
    display: z.ZodOptional<z.ZodEnum<{
        omitted: "omitted";
        summarized: "summarized";
    }>>;
}, z.core.$strip>], "type">;
export type MessagesThinkingConfig = z.infer<typeof MessagesThinkingConfigSchema>;
declare const MessagesServiceTierSchema: z.ZodEnum<{
    auto: "auto";
    standard_only: "standard_only";
}>;
export type MessagesServiceTier = z.infer<typeof MessagesServiceTierSchema>;
declare const MessagesOutputConfigSchema: z.ZodObject<{
    format: z.ZodOptional<z.ZodObject<{
        type: z.ZodLiteral<"json_schema">;
        schema: z.ZodAny;
    }, z.core.$strip>>;
    effort: z.ZodOptional<z.ZodEnum<{
        high: "high";
        low: "low";
        max: "max";
        medium: "medium";
    }>>;
}, z.core.$strip>;
export type MessagesOutputConfig = z.infer<typeof MessagesOutputConfigSchema>;
export declare const MessagesBodySchema: z.ZodObject<{
    model: z.ZodString;
    max_tokens: z.ZodNumber;
    messages: z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
        role: z.ZodLiteral<"user">;
        content: z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
            type: z.ZodLiteral<"text">;
            text: z.ZodString;
            cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
                type: z.ZodLiteral<"ephemeral">;
                ttl: z.ZodOptional<z.ZodEnum<{
                    "1h": "1h";
                    "24h": "24h";
                    "5m": "5m";
                }>>;
            }, z.core.$strip>>>;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"image">;
            source: z.ZodDiscriminatedUnion<[z.ZodObject<{
                type: z.ZodLiteral<"base64">;
                media_type: z.ZodString;
                data: z.ZodString;
            }, z.core.$strip>, z.ZodObject<{
                type: z.ZodLiteral<"url">;
                url: z.ZodString;
            }, z.core.$strip>], "type">;
            cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
                type: z.ZodLiteral<"ephemeral">;
                ttl: z.ZodOptional<z.ZodEnum<{
                    "1h": "1h";
                    "24h": "24h";
                    "5m": "5m";
                }>>;
            }, z.core.$strip>>>;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"tool_result">;
            tool_use_id: z.ZodString;
            content: z.ZodOptional<z.ZodNullable<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
                type: z.ZodLiteral<"text">;
                text: z.ZodString;
                cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
                    type: z.ZodLiteral<"ephemeral">;
                    ttl: z.ZodOptional<z.ZodEnum<{
                        "1h": "1h";
                        "24h": "24h";
                        "5m": "5m";
                    }>>;
                }, z.core.$strip>>>;
            }, z.core.$strip>, z.ZodObject<{
                type: z.ZodLiteral<"image">;
                source: z.ZodDiscriminatedUnion<[z.ZodObject<{
                    type: z.ZodLiteral<"base64">;
                    media_type: z.ZodString;
                    data: z.ZodString;
                }, z.core.$strip>, z.ZodObject<{
                    type: z.ZodLiteral<"url">;
                    url: z.ZodString;
                }, z.core.$strip>], "type">;
                cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
                    type: z.ZodLiteral<"ephemeral">;
                    ttl: z.ZodOptional<z.ZodEnum<{
                        "1h": "1h";
                        "24h": "24h";
                        "5m": "5m";
                    }>>;
                }, z.core.$strip>>>;
            }, z.core.$strip>]>>]>>>;
            is_error: z.ZodOptional<z.ZodNullable<z.ZodBoolean>>;
            cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
                type: z.ZodLiteral<"ephemeral">;
                ttl: z.ZodOptional<z.ZodEnum<{
                    "1h": "1h";
                    "24h": "24h";
                    "5m": "5m";
                }>>;
            }, z.core.$strip>>>;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"document">;
            source: z.ZodDiscriminatedUnion<[z.ZodObject<{
                type: z.ZodLiteral<"base64">;
                media_type: z.ZodString;
                data: z.ZodString;
            }, z.core.$strip>, z.ZodObject<{
                type: z.ZodLiteral<"url">;
                url: z.ZodString;
            }, z.core.$strip>, z.ZodObject<{
                type: z.ZodLiteral<"text">;
                data: z.ZodString;
                media_type: z.ZodLiteral<"text/plain">;
            }, z.core.$strip>], "type">;
            title: z.ZodOptional<z.ZodNullable<z.ZodString>>;
            context: z.ZodOptional<z.ZodNullable<z.ZodString>>;
            cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
                type: z.ZodLiteral<"ephemeral">;
                ttl: z.ZodOptional<z.ZodEnum<{
                    "1h": "1h";
                    "24h": "24h";
                    "5m": "5m";
                }>>;
            }, z.core.$strip>>>;
        }, z.core.$strip>], "type">>]>;
    }, z.core.$strip>, z.ZodObject<{
        role: z.ZodLiteral<"assistant">;
        content: z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
            type: z.ZodLiteral<"text">;
            text: z.ZodString;
            cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
                type: z.ZodLiteral<"ephemeral">;
                ttl: z.ZodOptional<z.ZodEnum<{
                    "1h": "1h";
                    "24h": "24h";
                    "5m": "5m";
                }>>;
            }, z.core.$strip>>>;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"tool_use">;
            id: z.ZodString;
            name: z.ZodString;
            input: z.ZodAny;
            caller: z.ZodOptional<z.ZodNullable<z.ZodString>>;
            extra_content: z.ZodOptional<z.ZodNullable<z.ZodType<import("@ai-sdk/provider").SharedV4ProviderMetadata, unknown, z.core.$ZodTypeInternals<import("@ai-sdk/provider").SharedV4ProviderMetadata, unknown>>>>;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"thinking">;
            thinking: z.ZodString;
            signature: z.ZodString;
        }, z.core.$strip>, z.ZodObject<{
            type: z.ZodLiteral<"redacted_thinking">;
            data: z.ZodString;
        }, z.core.$strip>], "type">>]>;
    }, z.core.$strip>], "role">>;
    system: z.ZodOptional<z.ZodUnion<readonly [z.ZodString, z.ZodArray<z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
        cache_control: z.ZodOptional<z.ZodNullable<z.ZodObject<{
            type: z.ZodLiteral<"ephemeral">;
            ttl: z.ZodOptional<z.ZodEnum<{
                "1h": "1h";
                "24h": "24h";
                "5m": "5m";
            }>>;
        }, z.core.$strip>>>;
    }, z.core.$strip>>]>>;
    stream: z.ZodOptional<z.ZodBoolean>;
    trace: z.ZodOptional<z.ZodUnion<readonly [z.ZodPipe<z.ZodBoolean, z.ZodTransform<"off" | undefined, boolean>>, z.ZodEnum<{
        full: "full";
        off: "off";
        recommended: "recommended";
        required: "required";
    }>]>>;
    temperature: z.ZodOptional<z.ZodNumber>;
    top_p: z.ZodOptional<z.ZodNumber>;
    stop_sequences: z.ZodOptional<z.ZodArray<z.ZodString>>;
    tools: z.ZodOptional<z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
        type: z.ZodOptional<z.ZodLiteral<"custom">>;
        name: z.ZodString;
        description: z.ZodOptional<z.ZodString>;
        input_schema: z.ZodAny;
        strict: z.ZodOptional<z.ZodBoolean>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodString;
    }, z.core.$loose>]>>>;
    tool_choice: z.ZodOptional<z.ZodDiscriminatedUnion<[z.ZodObject<{
        type: z.ZodLiteral<"auto">;
        disable_parallel_tool_use: z.ZodOptional<z.ZodBoolean>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"any">;
        disable_parallel_tool_use: z.ZodOptional<z.ZodBoolean>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"none">;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"tool">;
        name: z.ZodString;
        disable_parallel_tool_use: z.ZodOptional<z.ZodBoolean>;
    }, z.core.$strip>], "type">>;
    thinking: z.ZodOptional<z.ZodNullable<z.ZodDiscriminatedUnion<[z.ZodObject<{
        type: z.ZodLiteral<"enabled">;
        budget_tokens: z.ZodNumber;
        display: z.ZodOptional<z.ZodEnum<{
            omitted: "omitted";
            summarized: "summarized";
        }>>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"disabled">;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"adaptive">;
        display: z.ZodOptional<z.ZodEnum<{
            omitted: "omitted";
            summarized: "summarized";
        }>>;
    }, z.core.$strip>], "type">>>;
    metadata: z.ZodOptional<z.ZodObject<{
        user_id: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>>;
    service_tier: z.ZodOptional<z.ZodEnum<{
        auto: "auto";
        standard_only: "standard_only";
    }>>;
    cache_control: z.ZodOptional<z.ZodObject<{
        type: z.ZodLiteral<"ephemeral">;
        ttl: z.ZodOptional<z.ZodEnum<{
            "1h": "1h";
            "24h": "24h";
            "5m": "5m";
        }>>;
    }, z.core.$strip>>;
    output_config: z.ZodOptional<z.ZodObject<{
        format: z.ZodOptional<z.ZodObject<{
            type: z.ZodLiteral<"json_schema">;
            schema: z.ZodAny;
        }, z.core.$strip>>;
        effort: z.ZodOptional<z.ZodEnum<{
            high: "high";
            low: "low";
            max: "max";
            medium: "medium";
        }>>;
    }, z.core.$strip>>;
}, z.core.$strip>;
export type MessagesBody = z.infer<typeof MessagesBodySchema>;
export type MessagesInputs = Omit<MessagesBody, "model" | "stream">;
export declare const MessagesResponseContentBlockSchema: z.ZodDiscriminatedUnion<[z.ZodObject<{
    type: z.ZodLiteral<"text">;
    text: z.ZodString;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"tool_use">;
    id: z.ZodString;
    name: z.ZodString;
    input: z.ZodUnknown;
    extra_content: z.ZodOptional<z.ZodType<import("@ai-sdk/provider").SharedV4ProviderMetadata, unknown, z.core.$ZodTypeInternals<import("@ai-sdk/provider").SharedV4ProviderMetadata, unknown>>>;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"thinking">;
    thinking: z.ZodString;
    signature: z.ZodString;
}, z.core.$strip>, z.ZodObject<{
    type: z.ZodLiteral<"redacted_thinking">;
    data: z.ZodString;
}, z.core.$strip>], "type">;
export type MessagesResponseContentBlock = z.infer<typeof MessagesResponseContentBlockSchema>;
export declare const MessagesUsageSchema: z.ZodObject<{
    input_tokens: z.ZodNumber;
    output_tokens: z.ZodNumber;
    cache_creation_input_tokens: z.ZodOptional<z.ZodNumber>;
    cache_read_input_tokens: z.ZodOptional<z.ZodNumber>;
}, z.core.$strip>;
export type MessagesUsage = z.infer<typeof MessagesUsageSchema>;
export declare const MessagesStopReasonSchema: z.ZodNullable<z.ZodEnum<{
    end_turn: "end_turn";
    max_tokens: "max_tokens";
    stop_sequence: "stop_sequence";
    tool_use: "tool_use";
}>>;
export type MessagesStopReason = z.infer<typeof MessagesStopReasonSchema>;
export declare const MessagesSchema: z.ZodObject<{
    id: z.ZodString;
    type: z.ZodLiteral<"message">;
    role: z.ZodLiteral<"assistant">;
    content: z.ZodArray<z.ZodDiscriminatedUnion<[z.ZodObject<{
        type: z.ZodLiteral<"text">;
        text: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"tool_use">;
        id: z.ZodString;
        name: z.ZodString;
        input: z.ZodUnknown;
        extra_content: z.ZodOptional<z.ZodType<import("@ai-sdk/provider").SharedV4ProviderMetadata, unknown, z.core.$ZodTypeInternals<import("@ai-sdk/provider").SharedV4ProviderMetadata, unknown>>>;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"thinking">;
        thinking: z.ZodString;
        signature: z.ZodString;
    }, z.core.$strip>, z.ZodObject<{
        type: z.ZodLiteral<"redacted_thinking">;
        data: z.ZodString;
    }, z.core.$strip>], "type">>;
    model: z.ZodString;
    stop_reason: z.ZodNullable<z.ZodEnum<{
        end_turn: "end_turn";
        max_tokens: "max_tokens";
        stop_sequence: "stop_sequence";
        tool_use: "tool_use";
    }>>;
    stop_sequence: z.ZodNullable<z.ZodString>;
    usage: z.ZodObject<{
        input_tokens: z.ZodNumber;
        output_tokens: z.ZodNumber;
        cache_creation_input_tokens: z.ZodOptional<z.ZodNumber>;
        cache_read_input_tokens: z.ZodOptional<z.ZodNumber>;
    }, z.core.$strip>;
    service_tier: z.ZodOptional<z.ZodEnum<{
        auto: "auto";
        standard_only: "standard_only";
    }>>;
}, z.core.$strip>;
export type Messages = z.infer<typeof MessagesSchema>;
export type MessageStartEvent = SseFrame<{
    type: "message_start";
    message: Messages;
}, "message_start">;
export type ContentBlockStartEvent = SseFrame<{
    type: "content_block_start";
    index: number;
    content_block: {
        type: "text";
        text: string;
    } | {
        type: "thinking";
        thinking: string;
    } | {
        type: "tool_use";
        id: string;
        name: string;
        input: Record<string, never>;
        extra_content?: ProviderMetadata;
    };
}, "content_block_start">;
export type ContentBlockDeltaEvent = SseFrame<{
    type: "content_block_delta";
    index: number;
    delta: {
        type: "text_delta";
        text: string;
    } | {
        type: "thinking_delta";
        thinking: string;
    } | {
        type: "signature_delta";
        signature: string;
    } | {
        type: "input_json_delta";
        partial_json: string;
    };
}, "content_block_delta">;
export type ContentBlockStopEvent = SseFrame<{
    type: "content_block_stop";
    index: number;
}, "content_block_stop">;
export type MessageDeltaEvent = SseFrame<{
    type: "message_delta";
    delta: {
        stop_reason: MessagesStopReason;
        stop_sequence: string | null;
    };
    usage: MessagesUsage;
}, "message_delta">;
export type MessageStopEvent = SseFrame<{
    type: "message_stop";
}, "message_stop">;
export type MessageErrorEvent = SseFrame<{
    type: "error";
    error: {
        type: string;
        message: string;
    };
}, "error">;
export type MessagesStreamEvent = MessageStartEvent | ContentBlockStartEvent | ContentBlockDeltaEvent | ContentBlockStopEvent | MessageDeltaEvent | MessageStopEvent | MessageErrorEvent;
export type MessagesStream = ReadableStream<MessagesStreamEvent>;
export {};