import type { ServiceInstance } from "./service-instances.js";
import type { serviceSupervisorProjection } from "./service-supervision.js";
type RecordedSupervisor = ReturnType<typeof serviceSupervisorProjection>;
/** The user manager's own config directory, never this CLI shell's XDG override. A missing
 *  bus or malformed environment is a refusal, not permission to guess a home path. */
export declare function systemdUserUnitDirectory(): string;
/** An exact recorded user-unit read. Never discovers a unit by process name/cwd, reads its
 *  environment, invokes a unit action/reload, or interprets output as an action recipe. */
export declare function observeRecordedSupervisor(instance: ServiceInstance, recorded: Pick<RecordedSupervisor, "mechanism" | "fileObservation" | "unit" | "unitPath">): {
    state: "unavailable";
    observedAt: string;
    reason: string;
    unit: string | null;
    activeState: null;
    subState: null;
    loadState: null;
    unitFileState: null;
    mainPid: null;
    invocationId: null;
    mainProcessAttribution: "not-checked";
    daemonReloadRequired: null;
    dropInsReported: null;
    readiness: "not-checked";
} | {
    state: "observed";
    observedAt: string;
    reason: null;
    unit: string;
    activeState: string;
    subState: string;
    loadState: string;
    unitFileState: string;
    mainPid: number | null;
    invocationId: string | null;
    mainProcessAttribution: "launcher" | "service-process" | "different-or-unattributed" | "not-reported";
    daemonReloadRequired: boolean;
    dropInsReported: boolean;
    readiness: "not-checked";
};
/** One bounded user-manager mutation. A nonzero/timeout is unknown because native effects may
 *  have landed. Never copy systemctl output or retry the command after an uncertain result. */
export declare function submitSystemdUnitRegistration(step: "reload" | "enable" | "disable", unit: string): void;
/** A verified source file and exact native fragment are prerequisites; a nominally enabled
 *  name cannot stand in for an inactive, unchanged unit with no drop-ins. */
export declare function submitSystemdUnitControl(operation: "start" | "stop", unit: string): void;
export declare function assertSystemdUnitAbsent(unit: string, unitPath: string): void;
export declare function assertSystemdInstallState(instance: ServiceInstance, unit: string, unitPath: string, autostart: "disabled" | "enabled"): void;
export {};
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