import type { HarnessEmissionState } from "#harness/emission.js";
/**
 * Returns the id of the in-flight turn, or — between turns — the id the
 * next turn will mint (`turn_${sequence}`, the same formula
 * `emitTurnPreamble` uses).
 *
 * Lives in a leaf module so `"use workflow"` bodies can import it without
 * pulling harness emission (and its Node builtins) into the workflow
 * bundle.
 */
export declare function activeTurnId(state: HarnessEmissionState): string;