import type { IsURLOptions } from "validator";
import { ProvidersManifest, ProviderModule, ProviderModuleManifest } from "../types/index.ts";
import { Provider } from "../index.ts";
/**
 *  Checks if the given string is a valid URL.
 * @param url
 * @param options
 * @returns
 */
export declare function isValidURL(url: string, options?: IsURLOptions): boolean;
/**
 * Validates the provider manifest and returns an object containing any errors or warnings found during validation.
 */
export declare function validateProvidersManifest(manifest: ProvidersManifest): {
    valid: boolean;
    manifest: ProvidersManifest;
    errors: string[];
    warnings: string[];
};
export declare function validateProviderModule(module: ProviderModule): {
    errors: string[];
    warnings: string[];
};
/**
 * Validates all provider modules in the registry and returns an object containing any errors or warnings
 * found during validation. This function iterates through each provider module in the registry, validates it
 * using the validateProviderModule function, and aggregates any errors or warnings into a single result object.
 * @returns An object with the following properties:
 */
export declare function validateProviderModules(registry: Map<string, ProviderModule | null>): {
    valid: boolean;
    validModules: Map<string, ProviderModule>;
    errors: [string, string[]][];
    warnings: [string, string[]][];
};
export declare function validateManifestConfiguration(provider: Provider, manifest: ProviderModuleManifest): void;