import { type NormalizedConfig } from './types.js';
/**
 * Ensures the lupa is configured. Otherwise raises an exception
 */
export declare function ensureIsConfigured(config?: NormalizedConfig): asserts config is NormalizedConfig;
/**
 * Ensures the lupa is in planning phase
 */
export declare function ensureIsInPlanningPhase(phase: 'idle' | 'planning' | 'executing'): void;
/**
 * Ensures the suites filter uses a subset of the user configured suites.
 */
export declare function validateSuitesFilter(config: NormalizedConfig): void;
/**
 * Ensure there are unique suites
 */
export declare function validateSuitesForUniqueness(config: NormalizedConfig): void;
/**
 * Ensure the activated reporters are in the list of defined
 * reporters or are one of the core default reporters
 */
export declare function validateActivatedReporters(config: NormalizedConfig): void;