import type { ServiceSpec, SupervisorOptions } from './supervisor.js';
export interface SystemdStatus {
    active: boolean;
    enabled: boolean;
    installed: boolean;
    loaded: boolean;
    manager: 'systemd';
    pid?: number;
    running: boolean;
    serviceName: string;
    unitPath: string;
}
interface SystemdRuntime {
    active: boolean;
    enabled: boolean;
    loaded: boolean;
    pid?: number;
}
export declare function systemdSupported(): boolean;
export declare function systemdServiceInstalled(spec: ServiceSpec): Promise<boolean>;
export declare function installSystemdService(spec: ServiceSpec, options: SupervisorOptions): Promise<void>;
export declare function uninstallSystemdService(spec: ServiceSpec): Promise<void>;
export declare function startSystemdService(spec: ServiceSpec): Promise<SystemdStatus>;
export declare function stopSystemdService(spec: ServiceSpec): Promise<void>;
export declare function systemdServiceStatus(spec: ServiceSpec): Promise<SystemdStatus>;
type SystemdAction = 'daemon-reload' | 'disable' | 'enable' | 'restart' | 'start' | 'stop';
export declare function systemdInstallActions(): SystemdAction[];
export declare function systemdStartActions(status: Pick<SystemdRuntime, 'loaded'> & Pick<SystemdStatus, 'running'>): SystemdAction[];
export declare function systemdStopActions(status: Pick<SystemdStatus, 'loaded'>): SystemdAction[];
export declare function systemdUninstallActions(status: Pick<SystemdStatus, 'loaded'>): SystemdAction[];
export declare function systemdActionInvocation(action: SystemdAction, spec: ServiceSpec): {
    args: string[];
    options: {
        allowFailure?: boolean;
    };
};
export declare function buildSystemdUnit(spec: ServiceSpec, options: SupervisorOptions): string;
export declare function systemdServiceName(spec: ServiceSpec): string;
export declare function systemdUnitPath(spec: ServiceSpec): string;
export declare function parseSystemdRuntime(result: {
    status: number | null;
    stdout: string;
}): SystemdRuntime;
export {};
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