import { type MiniparseConfig } from "./defaults";
export declare class ConfigLoader {
    private static readonly CONFIG_FILE_NAME;
    private static readonly DEFAULT_CONFIG_FILE_NAME;
    private static readonly ENV_API_KEY_CANDIDATES;
    static loadConfig(customConfigPath?: string): MiniparseConfig;
    private static loadConfigFromFile;
    private static mergeConfigWithDefaults;
    private static deepMerge;
    private static resolveEnvPlaceholders;
    private static resolveEnvString;
    private static applyEnvDefaults;
    private static findEnvApiKey;
}