import { type ResolvedRelease } from "../installation/release-resolver.js";
import { type GenerationPlan, type GenerationSelection } from "../installation/generation-plan.js";
import { type GenerationResolverConfig } from "../installation/generation-resolver.js";
import type { GenerationStore } from "../installation/generation-store.js";
export interface UpdateBase {
    generationId: string | null;
    configRevision: string;
}
export interface UpdateConfirmation {
    configRevision: string;
    archiveSha256: string;
}
/** 升级清单来自已验证安装收据，启用配置不能冒充完整安装清单。 */
export declare function prepareInstallationUpdate(input: {
    expected: UpdateBase;
    store: GenerationStore;
    resolver: GenerationResolverConfig;
    artifactsDirectory: string;
    currentSelection?(): GenerationSelection;
    resolveRelease?(): Promise<ResolvedRelease>;
    assertCurrent(): void;
}): Promise<{
    state: "current" | "updates_available";
    base: {
        generationId: string | null;
        configRevision: string;
    };
    packages: {
        name: string;
        current: string;
        target: string;
    }[];
    peers: import("../installation/generation-plan.js").GenerationPeerRequirement[];
    recommendations: string[];
    plan: GenerationPlan;
    update: {
        configRevision: string;
        archiveSha256: string;
    };
}>;
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