import type { DrizzleExecutor } from "../drizzle.js";
import type { MutationHint } from "../chat/types.js";
import { type PluginPackage } from "./types.js";
/**
 * Replaces exactly one installation's validated package snapshot while preserving its workspace, compatible variables, and still-declared permission grants.
 * The guarded transaction updates pluginInstallations, pluginSkills, pluginUiAssets, and pluginInstallationVariables without mutating siblings or shared plugin source metadata, and records installation-scoped audit and sync evidence.
 */
export declare function pluginUpdate(executor: DrizzleExecutor, input: {
    actorUserId: string;
    expectedPackageDigest: string;
    installationId: string;
    packageDirectory: string;
    replacement: PluginPackage;
}): Promise<{
    hint: MutationHint;
    installationId: string;
    pluginId: string;
    pluginPackageDirectory: string;
    previousPackageDirectory: string;
    sourceVersion: string;
}>;
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