import { FieldDescriptor, WorkflowForm } from './types.js';
/**
 * The synthetic value-carrying fields of an approval step (spec 03 §4).
 * The engine indexes them like authored fields so `<name>.decision` /
 * `<name>.comment` are rule-addressable, survive `evaluate()`'s output
 * filter, and get clear-on-skip semantics. Authored fields with the same
 * key win (none expected in v1 — approval steps carry no authored fields).
 */
export declare function approvalFields(form: WorkflowForm): FieldDescriptor[];