import type { MessageSender } from "../message-sender.js";
import type { PromptAttachmentRef } from "../types.js";
import type { TurnResult } from "../types.js";
import { type DurableSessionRuntime } from "./state.js";
/**
 * Scan a finished turn's captured events for a failed `set_session_model` tool
 * call. The inline control tool returns its outcome as a plain string (see
 * session-proxy `setSessionModel`), so `tool.execution_complete.data.result`
 * is usually a string; some transports wrap it as `{ content }`. We match the
 * `set_session_model failed` marker across both shapes. Exported for unit tests.
 */
export declare function detectFailedModelSwitch(events: Array<{
    eventType?: string;
    data?: any;
}> | undefined): string | null;
/** @internal Project a non-retryable credential failure without terminating the orchestration. */
export declare function projectAuthFailure(runtime: DurableSessionRuntime, errorMessage: string): Generator<any, void, any>;
export declare function processPrompt(runtime: DurableSessionRuntime, promptText: string, isBootstrap: boolean, requiredTool?: string, clientMessageIds?: string[], cycleOrigin?: "cron" | "cron_at", sender?: MessageSender, attachments?: PromptAttachmentRef[]): Generator<any, void, any>;
/**
 * Normalize a raced runTurn branch value. The duroxide-node select bridge
 * flattens activity failures into their raw error string (make_select_future:
 * `Ok(v) => v, Err(e) => e`) instead of throwing into the generator, so the
 * caller must distinguish a TurnResult payload from an error message.
 */
export declare function normalizeRacedTurnValue(value: any): {
    kind: "result";
    result: any;
} | {
    kind: "error";
    message: string;
};
export declare function handleTurnResult(runtime: DurableSessionRuntime, result: TurnResult, sourcePrompt: string, cycleOrigin?: "cron" | "cron_at", clientMessageIds?: string[], isBootstrap?: boolean, requiredTool?: string): Generator<any, void, any>;
export declare function processTimer(runtime: DurableSessionRuntime, timerItem: any): Generator<any, void, any>;
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