/**
 * @class extend this class, declare properties then call super() and this.init(this) from constructor
 * The super() call will load the .env file into process.env
 * Then try to get the properties from the .env file and load it to the class
 */
export declare abstract class Config {
    [key: string]: any;
    abstract prod: boolean;
    abstract trustFirstProxy: boolean;
    abstract sCookieName: string;
    abstract sCookieMaxageMs: number;
    abstract sCookieHttponly: boolean;
    abstract sCookieSecure: boolean;
    abstract cSecretAes: string;
    abstract cSecretHmac: string;
    abstract cInitVector: string;
    constructor();
    init<T extends Config>(object: T, initCryptModule?: boolean, toSnakeCase?: boolean): void;
    private checkSettings;
}
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