import type { RunRecorder, RunCancellationReason, RunSummary, RuntimeResultLike } from "@mono-agent/observability";
import type { RuntimeResult } from "@mono-agent/runtime-adapter";
import type { BuiltAgentContext } from "../context/index.js";
import type { AgentHarnessFailure, AgentHarnessRequest, AgentHarnessResponse } from "../types.js";
export declare function shouldRetrySessionResumeError(error: unknown): boolean;
export declare function shouldRetryWithoutSession(result: RuntimeResult | undefined, aborted: boolean): boolean;
export declare function failureFromRuntimeResult(result: RuntimeResult): AgentHarnessFailure | undefined;
export declare function failureFromThrownError(error: unknown, wasAborted: boolean): AgentHarnessFailure;
export declare function cancellationFailureKind(signal: AbortSignal): "cancelled" | "cancelled_user";
export declare function safeRecorderCancel(recorder: RunRecorder, failureKind: "cancelled" | "cancelled_user", cancellationReason?: RunCancellationReason, systemPrompt?: string): Promise<RunSummary | undefined>;
export declare function safeRecorderFail(recorder: RunRecorder, error: unknown, systemPrompt?: string): Promise<RunSummary | undefined>;
export declare function commitRecorderFinish(recorder: RunRecorder, result: RuntimeResultLike): Promise<RunSummary>;
export declare function safeRecorderCommitFinish(recorder: RunRecorder, result: RuntimeResultLike): Promise<RunSummary | undefined>;
export declare function normalizeAssistantText(text: unknown): string | undefined;
export declare function responseMetadata(runId: string, request: AgentHarnessRequest, context: BuiltAgentContext | undefined, summary: RunSummary | undefined, runtimeResult?: RuntimeResult): AgentHarnessResponse["metadata"];
export declare function failureResponse(input: {
    readonly runId: string;
    readonly request: AgentHarnessRequest;
    readonly summary: RunSummary;
    readonly kind: string;
    readonly message: string;
}): AgentHarnessResponse;
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