/**
 * Copyright 2023 Fluence Labs Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
export type ValidationResult = string | true;
export declare const validateUnique: <T>(array: T[], getField: (item: T) => string, getError: (notUniqueField: string) => string) => ValidationResult;
export declare const validateHasDefault: <T>(array: T[], defaultValue: string, getField: (item: T) => string, errorText: string) => ValidationResult;
export declare const validateBatch: (...args: Array<ValidationResult>) => ValidationResult;
export declare const isExactVersion: (version: string) => Promise<boolean>;
export declare const validateAllVersionsAreExact: (versions: Record<string, string>) => Promise<ValidationResult>;
export declare const validatePositiveNumberOrEmpty: (input: unknown) => ValidationResult;