import type { SessionLog } from '../../store/session-log/index.js';
import type { TurnId } from '../../types/ids/index.js';
import type { SessionRecord } from '../../types/session/records.js';
import type { ToolExecutionSnapshot } from '../../types/session/tool-execution.js';
/**
 * Collects the latest execution boundary of selected tool calls from one
 * turn's records: metadata only, never retained output bodies beyond the
 * completion's own result.
 */
export declare class ToolExecutionCollector {
    private readonly turnId;
    private started;
    private readonly wanted;
    private readonly records;
    constructor(turnId: TurnId, ids: readonly string[]);
    accept(record: SessionRecord): void;
    /** Complete only when the turn's beginning was seen and the whole log verified. */
    finish(complete?: boolean): ToolExecutionSnapshot;
}
/**
 * Read the latest recorded execution boundary of selected tool calls of one
 * turn. The log is read strictly, so absence of a start is proof only when
 * the snapshot is `complete`.
 */
export declare function readToolExecutions(log: SessionLog, turnId: TurnId, ids: readonly string[], signal?: AbortSignal): Promise<ToolExecutionSnapshot>;
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