/**
 * Cross-harness trace import: Codex and Claude Code session JSONL become the
 * eval trace vocabulary so report and compare can fold metrics over runs
 * recorded by other agents. Each importer synthesizes one turn (and one step)
 * per user message, preserving assistant text and tool calls/results; model
 * token usage is not part of either external format, so token metrics stay
 * zero.
 *
 * @module dsh-eval/import
 */
import type { EvalRun, EvalTrace } from './types.ts';
/**
 * Import a Codex session JSONL (lines of `response_item` records) as a trace.
 * @param text - the Codex log's UTF-8 text.
 * @param source - the source file path, used for the synthetic session id.
 * @returns the imported trace; non-`response_item` lines are skipped.
 */
export declare function importCodexLog(text: string, source: string): EvalTrace;
/**
 * Import a Claude Code session JSONL (lines of `user`/`assistant` records) as
 * a trace.
 * @param text - the Claude Code log's UTF-8 text.
 * @param source - the source file path, used for the synthetic session id.
 * @returns the imported trace; non-user/assistant lines are skipped.
 */
export declare function importClaudeLog(text: string, source: string): EvalTrace;
/** Import formats the CLI accepts. */
export type ImportFormat = 'codex' | 'claude-code';
/**
 * Load an external session log and build a one-trial run record from it.
 * @param format - the external harness format.
 * @param path - the session JSONL path.
 * @param caseId - the imported trial's case id.
 * @returns the run record with one completed trial.
 */
export declare function importTraceFile(format: ImportFormat, path: string, caseId: string): Promise<EvalRun>;