import { Derived, NestedData, WorkflowDefinition } from '../types.js';
/**
 * The rules engine (spec 02 §5). Pure: same inputs -> same Derived.
 * Reactive fixpoint: reset -> eval when -> apply (priority-resolved) ->
 * clear hidden/skipped to defaults -> setValue -> repeat until stable
 * (cycle guard MAX_PASSES; overflow surfaces an error, never hangs).
 */
export declare function evaluate(workflow: WorkflowDefinition, input: NestedData): Derived;