import type { FlowDefinition } from '../types.js';
import type { FlowRegistryIndex, FlowRegistrySchemas, FlowValidationIssue } from './types.js';
export declare function lookupRegistry(table: Record<string, FlowRegistrySchemas> | undefined, key: string): FlowRegistrySchemas | undefined;
export declare function validateFlowRefs(def: FlowDefinition, index: FlowRegistryIndex): FlowValidationIssue[];