/**
 * Text-Generation Runtime Message Converter
 *
 * Converts between veryfront's internal Message format and the current
 * text-generation runtime message format.
 *
 * @module ai/agent/runtime/text-generation-runtime-message-converter
 */
import type { TextGenerationRuntimeMessage } from "./text-generation-runtime-message-types.js";
import { type Message } from "../types.js";
/**
 * How a converted prompt will reach the model.
 *
 * `requireInternetReachableAttachments` says whether the runtime that receives
 * this prompt fetches attachment URLs from its own network — every remote
 * provider does, and a `server-local` runtime does not. Defaulting to `true`
 * keeps the check on for the common case; callers holding the runtime turn it
 * off (`src/agent/runtime/index.ts`).
 */
export interface TextGenerationRuntimeConversionOptions {
    requireInternetReachableAttachments?: boolean;
}
/**
 * Convert a veryfront Message to the current text-generation runtime message format.
 */
export declare function convertToTextGenerationRuntimeMessage(msg: Message, options?: {
    providerExecutedToolCallIds?: Set<string>;
} & TextGenerationRuntimeConversionOptions): TextGenerationRuntimeMessage;
/**
 * Convert an array of veryfront Messages to the current text-generation runtime message format.
 */
export declare function convertToTextGenerationRuntimeMessages(messages: Message[], options?: TextGenerationRuntimeConversionOptions): TextGenerationRuntimeMessage[];
/**
 * Convert messages for a provider request.
 *
 * Some providers reject assistant-prefill transcripts and require the prompt to
 * end at user/tool input. Persisted runtime history may temporarily end with an
 * assistant-only continuation message between streamed tool steps, so trim that
 * replay-only tail at the provider boundary without changing stored history.
 */
export declare function convertToTextGenerationRuntimeRequestMessages(messages: Message[], options?: TextGenerationRuntimeConversionOptions): TextGenerationRuntimeMessage[];
//# sourceMappingURL=text-generation-runtime-message-converter.d.ts.map