import { ConfigContract } from '../contracts/ConfigContract';
export declare class Config {
    private config;
    constructor(userConfig: Partial<ConfigContract>);
    /**
     * Get a config value with optional fallback.
     */
    get<T = any>(key: keyof ConfigContract, fallback?: T): T;
    /**
     * Get the full config object.
     */
    all(): ConfigContract;
    /**
     * Check if a config key is truthy.
     */
    isEnabled(key: keyof ConfigContract): boolean;
    /**
     * Check if operating in license mode.
     */
    isLicenseMode(): boolean;
    /**
     * Check if operating in API key mode.
     */
    isApiKeyMode(): boolean;
    /**
     * Get the active auth credential (license or API key).
     */
    getAuthCredential(): string;
}