import { ProjectUtilsConfiguration } from '../project-utils.configuration';
import { GitignoreService } from './gitignore-file';
import { WrapApplicationOptionsService } from './wrap-application-options.service';
export declare class DotEnvService {
    private readonly wrapApplicationOptionsService;
    private readonly projectUtilsConfiguration;
    private readonly gitignoreService;
    private logger;
    constructor(wrapApplicationOptionsService: WrapApplicationOptionsService, projectUtilsConfiguration: ProjectUtilsConfiguration, gitignoreService: GitignoreService);
    getEnvFilePath(): string | undefined;
    keys(includeHiddenKeys?: boolean): (string | undefined)[];
    readFile(envFile: string, updateProcessEnv?: boolean): Record<string, string | undefined> | undefined;
    writeFile(envFile: string, data: Record<string, string | undefined>): Promise<void>;
    getEnvironmentsFromFilesCheckSum(): Promise<{
        processed: Record<string, {
            fileList: string[];
            sha256: string;
        }>;
    }>;
    read(updateProcessEnv?: boolean, ignoreCheckNeededKeys?: boolean): Record<string, string | undefined> | undefined;
    write(data: Record<string, string | undefined>, ignoreCheckNeededKeys?: boolean): Promise<void>;
}