import type { ServiceInstallIntent } from "./service-install-intent.js";
/** Diagnose one retained exact attempt without adopting a name-only native unit. A missing or
 *  changed physical file never grants an uninstall, reload, start or receipt transition. */
export declare function observeSystemdAttempt(intent: Pick<ServiceInstallIntent, "machine" | "uid" | "unit" | "unitPath" | "unitSha256"> & {
    privateHome?: string;
}): {
    file: "unreadable" | "missing" | "foreign-host" | "different" | "matches-attempt";
    privateStore: "missing" | "not-checked" | "owned-private-directory" | "unavailable-or-unattributed";
    native: "not-checked";
    observedAt: string;
    reason: string;
    loadState: null;
    activeState: null;
    unitFileState: null;
    fragment: "not-checked";
    daemonReloadRequired: null;
} | {
    native: "unavailable";
    file: "unreadable" | "missing" | "foreign-host" | "different" | "matches-attempt";
    privateStore: "missing" | "not-checked" | "owned-private-directory" | "unavailable-or-unattributed";
    observedAt: string;
    reason: string;
    loadState: null;
    activeState: null;
    unitFileState: null;
    fragment: "not-checked";
    daemonReloadRequired: null;
} | {
    file: "unreadable" | "missing" | "different" | "matches-attempt";
    privateStore: "missing" | "not-checked" | "owned-private-directory" | "unavailable-or-unattributed";
    native: "matching-fragment" | "name-only";
    observedAt: string;
    reason: string | null;
    loadState: string;
    activeState: string;
    unitFileState: string;
    fragment: "matching-physical-source" | "other-or-unavailable";
    daemonReloadRequired: boolean;
};
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