import type { InferSchema } from "../../extensions/schema/index.js";
import type { Message } from "../types.js";
/** Event emitted for AG-UI sse. */
export interface AgUiSseEvent {
    /** 1-128 character ASCII token beginning with a letter. */
    event: string;
    payload: Record<string, unknown>;
}
export declare const getAgUiInjectedToolSchema: () => import("../../internal-agents/schema.js").Schema<import("../../extensions/schema/schema-validator.js").InferShape<{
    name: import("../../internal-agents/schema.js").Schema<string>;
    description: import("../../internal-agents/schema.js").Schema<string | undefined>;
    parameters: import("../../internal-agents/schema.js").Schema<Record<string, unknown> | undefined>;
}>>;
export declare const getAgUiContextItemSchema: () => import("../../internal-agents/schema.js").Schema<import("../../extensions/schema/schema-validator.js").InferShape<{
    type: import("../../internal-agents/schema.js").Schema<"text">;
    title: import("../../internal-agents/schema.js").Schema<string | undefined>;
    text: import("../../internal-agents/schema.js").Schema<string>;
}> | import("../../extensions/schema/schema-validator.js").InferShape<{
    type: import("../../internal-agents/schema.js").Schema<"json">;
    title: import("../../internal-agents/schema.js").Schema<string | undefined>;
    data: import("../../internal-agents/schema.js").Schema<Record<string, unknown>>;
}> | import("../../extensions/schema/schema-validator.js").InferShape<{
    type: import("../../internal-agents/schema.js").Schema<"resource">;
    title: import("../../internal-agents/schema.js").Schema<string | undefined>;
    uri: import("../../internal-agents/schema.js").Schema<string>;
    mimeType: import("../../internal-agents/schema.js").Schema<string | undefined>;
    text: import("../../internal-agents/schema.js").Schema<string | undefined>;
}>>;
export declare const getAgUiRequestSchema: () => import("../../internal-agents/schema.js").Schema<import("../../extensions/schema/schema-validator.js").InferShape<{
    threadId: import("../../internal-agents/schema.js").Schema<string | undefined>;
    runId: import("../../internal-agents/schema.js").Schema<string | undefined>;
    messages: import("../../internal-agents/schema.js").Schema<import("../../extensions/schema/schema-validator.js").InferShape<{
        id: import("../../internal-agents/schema.js").Schema<string>;
        role: import("../../internal-agents/schema.js").Schema<"tool" | "system" | "user" | "assistant">;
        parts: import("../../internal-agents/schema.js").Schema<({
            type: string;
        } & {} & Record<string, unknown>)[]>;
        metadata: import("../../internal-agents/schema.js").Schema<Record<string, unknown> | undefined>;
        createdAt: import("../../internal-agents/schema.js").Schema<string | undefined>;
    }>[]>;
    tools: import("../../internal-agents/schema.js").Schema<import("../../extensions/schema/schema-validator.js").InferShape<{
        name: import("../../internal-agents/schema.js").Schema<string>;
        description: import("../../internal-agents/schema.js").Schema<string | undefined>;
        parameters: import("../../internal-agents/schema.js").Schema<Record<string, unknown> | undefined>;
    }>[]>;
    context: import("../../internal-agents/schema.js").Schema<(import("../../extensions/schema/schema-validator.js").InferShape<{
        type: import("../../internal-agents/schema.js").Schema<"text">;
        title: import("../../internal-agents/schema.js").Schema<string | undefined>;
        text: import("../../internal-agents/schema.js").Schema<string>;
    }> | import("../../extensions/schema/schema-validator.js").InferShape<{
        type: import("../../internal-agents/schema.js").Schema<"json">;
        title: import("../../internal-agents/schema.js").Schema<string | undefined>;
        data: import("../../internal-agents/schema.js").Schema<Record<string, unknown>>;
    }> | import("../../extensions/schema/schema-validator.js").InferShape<{
        type: import("../../internal-agents/schema.js").Schema<"resource">;
        title: import("../../internal-agents/schema.js").Schema<string | undefined>;
        uri: import("../../internal-agents/schema.js").Schema<string>;
        mimeType: import("../../internal-agents/schema.js").Schema<string | undefined>;
        text: import("../../internal-agents/schema.js").Schema<string | undefined>;
    }>)[]>;
    forwardedProps: import("../../internal-agents/schema.js").Schema<Record<string, unknown> | undefined>;
    model: import("../../internal-agents/schema.js").Schema<string | undefined>;
    maxOutputTokens: import("../../internal-agents/schema.js").Schema<number | undefined>;
}>>;
/** @deprecated Use getAgUiInjectedToolSchema() */
export declare const AgUiInjectedToolSchema: import("../../internal-agents/schema.js").Schema<import("../../extensions/schema/schema-validator.js").InferShape<{
    name: import("../../internal-agents/schema.js").Schema<string>;
    description: import("../../internal-agents/schema.js").Schema<string | undefined>;
    parameters: import("../../internal-agents/schema.js").Schema<Record<string, unknown> | undefined>;
}>>;
/** @deprecated Use getAgUiContextItemSchema() */
export declare const AgUiContextItemSchema: import("../../internal-agents/schema.js").Schema<import("../../extensions/schema/schema-validator.js").InferShape<{
    type: import("../../internal-agents/schema.js").Schema<"text">;
    title: import("../../internal-agents/schema.js").Schema<string | undefined>;
    text: import("../../internal-agents/schema.js").Schema<string>;
}> | import("../../extensions/schema/schema-validator.js").InferShape<{
    type: import("../../internal-agents/schema.js").Schema<"json">;
    title: import("../../internal-agents/schema.js").Schema<string | undefined>;
    data: import("../../internal-agents/schema.js").Schema<Record<string, unknown>>;
}> | import("../../extensions/schema/schema-validator.js").InferShape<{
    type: import("../../internal-agents/schema.js").Schema<"resource">;
    title: import("../../internal-agents/schema.js").Schema<string | undefined>;
    uri: import("../../internal-agents/schema.js").Schema<string>;
    mimeType: import("../../internal-agents/schema.js").Schema<string | undefined>;
    text: import("../../internal-agents/schema.js").Schema<string | undefined>;
}>>;
/** Schema for AG-UI request.
 * @deprecated Use getAgUiRequestSchema()
 */
export declare const AgUiRequestSchema: import("../../internal-agents/schema.js").Schema<import("../../extensions/schema/schema-validator.js").InferShape<{
    threadId: import("../../internal-agents/schema.js").Schema<string | undefined>;
    runId: import("../../internal-agents/schema.js").Schema<string | undefined>;
    messages: import("../../internal-agents/schema.js").Schema<import("../../extensions/schema/schema-validator.js").InferShape<{
        id: import("../../internal-agents/schema.js").Schema<string>;
        role: import("../../internal-agents/schema.js").Schema<"tool" | "system" | "user" | "assistant">;
        parts: import("../../internal-agents/schema.js").Schema<({
            type: string;
        } & {} & Record<string, unknown>)[]>;
        metadata: import("../../internal-agents/schema.js").Schema<Record<string, unknown> | undefined>;
        createdAt: import("../../internal-agents/schema.js").Schema<string | undefined>;
    }>[]>;
    tools: import("../../internal-agents/schema.js").Schema<import("../../extensions/schema/schema-validator.js").InferShape<{
        name: import("../../internal-agents/schema.js").Schema<string>;
        description: import("../../internal-agents/schema.js").Schema<string | undefined>;
        parameters: import("../../internal-agents/schema.js").Schema<Record<string, unknown> | undefined>;
    }>[]>;
    context: import("../../internal-agents/schema.js").Schema<(import("../../extensions/schema/schema-validator.js").InferShape<{
        type: import("../../internal-agents/schema.js").Schema<"text">;
        title: import("../../internal-agents/schema.js").Schema<string | undefined>;
        text: import("../../internal-agents/schema.js").Schema<string>;
    }> | import("../../extensions/schema/schema-validator.js").InferShape<{
        type: import("../../internal-agents/schema.js").Schema<"json">;
        title: import("../../internal-agents/schema.js").Schema<string | undefined>;
        data: import("../../internal-agents/schema.js").Schema<Record<string, unknown>>;
    }> | import("../../extensions/schema/schema-validator.js").InferShape<{
        type: import("../../internal-agents/schema.js").Schema<"resource">;
        title: import("../../internal-agents/schema.js").Schema<string | undefined>;
        uri: import("../../internal-agents/schema.js").Schema<string>;
        mimeType: import("../../internal-agents/schema.js").Schema<string | undefined>;
        text: import("../../internal-agents/schema.js").Schema<string | undefined>;
    }>)[]>;
    forwardedProps: import("../../internal-agents/schema.js").Schema<Record<string, unknown> | undefined>;
    model: import("../../internal-agents/schema.js").Schema<string | undefined>;
    maxOutputTokens: import("../../internal-agents/schema.js").Schema<number | undefined>;
}>>;
/** Public API contract for AG-UI injected tool. */
export type AgUiInjectedTool = InferSchema<ReturnType<typeof getAgUiInjectedToolSchema>>;
/** Public API contract for AG-UI context item. */
export type AgUiContextItem = InferSchema<ReturnType<typeof getAgUiContextItemSchema>>;
/** Request payload for AG-UI. */
export type AgUiRequest = InferSchema<ReturnType<typeof getAgUiRequestSchema>>;
export interface NormalizeAgUiMessagesOptions {
    providerOwnedToolNames?: readonly string[];
}
/** Request payload for parse AG-UI. */
export declare function parseAgUiRequest(request: Request): Promise<AgUiRequest>;
/** Error shape for parse AG-UI request or. */
export declare function parseAgUiRequestOrError(request: Request): Promise<AgUiRequest | Response>;
/** Normalizes AG-UI messages. */
export declare function normalizeAgUiMessages(messages: AgUiRequest["messages"], options?: NormalizeAgUiMessagesOptions): Message[];
/** Event emitted for create AG-UI run error. */
export declare function createAgUiRunErrorEvent(message: string, code?: string): AgUiSseEvent;
/** Response payload for create AG-UI sse error. */
export declare function createAgUiSseErrorResponse(event: AgUiSseEvent, status: number): Response;
/** Response payload for create AG-UI sse. */
export declare function createAgUiSseResponse(stream: ReadableStream<Uint8Array>): Response;
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