import type { AgentHistoryRecord } from "@/types";
export type AgentHistoryPendingReason = "session_crashed" | "user_aborted";
/**
 * Builds synthetic tool_result records for unfinished tool calls.
 * Expects: records are ordered chronologically from oldest to newest.
 */
export declare function agentHistoryPendingToolResults(records: AgentHistoryRecord[], reason: AgentHistoryPendingReason, at: number): AgentHistoryRecord[];
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