import type { ContextOperationRequest } from '../context.ts';
import type { EngineInternals } from './internals.ts';
import type { ActivityFunctionWithMetadata } from './operations-activity.ts';
type ActivityOperation = Extract<ContextOperationRequest, {
    type: 'activity';
}>;
/**
 * Resolve the activity callable along with its attached metadata (compensation,
 * verification). Returns `undefined` when no registry and no `operation.fn`
 * resolve the name — the metadata path treats a miss as advisory rather than
 * fatal.
 */
export declare function getActivityFunctionWithMetadata(internals: EngineInternals, workflowId: string, operation: ActivityOperation): ActivityFunctionWithMetadata | undefined;
/**
 * Resolve the activity function for a given operation. Uses the same
 * per-workflow-first-then-global ordering as `getActivityFunctionWithMetadata`.
 * For inline-mode callers that pass an `operation.fn` directly, the registries
 * are still consulted first so a workflow's locally-scoped activity wins over
 * the bare callable. Throws `ActivityResolutionError` when neither path
 * resolves.
 */
export declare function resolveActivityFunction(internals: EngineInternals, workflowId: string, operation: ActivityOperation): (...arguments_: unknown[]) => unknown;
export {};