import { EnvironmentVariablesService as CommonEnvironmentVariablesService } from '@aws-lambda-powertools/commons';
import type { ConfigServiceInterface } from '../types/ConfigServiceInterface.js';
declare class EnvironmentVariablesService extends CommonEnvironmentVariablesService implements ConfigServiceInterface {
    private parametersMaxAgeVariable;
    private ssmDecryptVariable;
    /**
     * It returns the value of the POWERTOOLS_PARAMETERS_MAX_AGE environment variable.
     *
     * @returns {number|undefined}
     */
    getParametersMaxAge(): number | undefined;
    /**
     * It returns the value of the POWERTOOLS_PARAMETERS_SSM_DECRYPT environment variable.
     *
     * @returns {string}
     */
    getSSMDecrypt(): string;
}
export { EnvironmentVariablesService };
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