export declare type FileKeyDerivationStrategy = (name: string) => string;
export interface EnvKeyDerivationStrategy {
    separator: string;
    deriveKey(name: string): string;
}
export declare const defaultEnvKeyDerivationStrategy: EnvKeyDerivationStrategy;
export declare function defaultFileKeyDerivationStrategy(name: string): string;
export declare function removeConfiguration(name: string): string;