import type { CategoryConfig, CoreConfig } from '@code-pushup/models';
export declare function mergeConfigs(config: CoreConfig, ...configs: Partial<CoreConfig>[]): CoreConfig;
/** Deduplicates categories that share the same slug. */
export declare function mergeCategoriesBySlug(categories: CategoryConfig[]): CategoryConfig[];
export declare function mergeDescriptions(a: string | undefined, b: string | undefined): string | undefined;