import { AnsiLogger } from 'matterbridge/logger';
import { IErrorDetail } from 'ts-interface-checker';
export declare const MS = 1000;
export declare function assertIsDefined<Type>(value: Type): asserts value is NonNullable<Type>;
export declare function logError(log: AnsiLogger, when: string, err: unknown): void;
export declare function plural(count: number, noun: string | [string, string], showCount?: boolean): string;
export declare function deepMerge(...objects: object[]): object;
export declare function getValidationTree(errors: IErrorDetail[]): string[];
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