import type { DataContext, DataResult, PageWithData } from "./types.js";
import type { SourceIntegrationPolicyManifest } from "../integrations/source-policy.js";
import type { ProjectEnvSnapshot } from "../platform/compat/process/project-env-contract.js";
/**
 * Options for isolated data fetching through Worker pool.
 */
export interface ServerDataFetchOptions {
    /** Absolute path to the module containing getServerData */
    modulePath?: string;
    /** Project directory for worker scoping */
    projectDir?: string;
    /** Host-owned locality decision for development-only behavior. */
    isLocalProject?: boolean;
    /** Narrow host-owned capability for project-code execution. */
    allowHostProjectCodeExecution?: boolean;
    /** Stable host-owned tenant/project scope for reusable workers. */
    workerScope?: string;
    /** Immutable release or source-snapshot identity for reusable workers. */
    sourceGeneration?: string;
}
interface DataWorkerAdmission {
    readonly projectEnv?: ProjectEnvSnapshot;
    readonly sourceIntegrationPolicy: SourceIntegrationPolicyManifest;
    readonly workerId: string;
    readonly reusable: boolean;
}
/** @internal Exact worker identity probe for boundary regression tests. */
export declare function __resolveDataWorkerIdentityForTests(options: ServerDataFetchOptions): Promise<Readonly<Pick<DataWorkerAdmission, "workerId" | "reusable">>>;
export declare class ServerDataFetcher {
    fetch(pageModule: PageWithData, context: DataContext, options?: ServerDataFetchOptions): Promise<DataResult>;
    /**
     * Execute getServerData in a per-project Worker.
     */
    private fetchIsolated;
    /**
     * Log errors unconditionally. Production errors should always be logged.
     * @see plans/architecture-audit/010-error-handling.md
     */
    private logError;
}
export {};
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