import type { DataContext, DataResult, PageWithData, StaticPathsResult } from "./types.js";
/**
 * Options for isolated data fetching. Passed through to ServerDataFetcher
 * when worker isolation is enabled.
 */
export interface FetchDataOptions {
    /** 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;
}
export declare class DataFetcher {
    private cacheManager;
    private serverFetcher;
    private staticFetcher;
    private pathsFetcher;
    constructor(_adapter?: unknown);
    fetchData(pageModule: PageWithData, context: DataContext, mode?: "development" | "production", options?: FetchDataOptions): Promise<DataResult>;
    getStaticPaths(pageModule: PageWithData): Promise<StaticPathsResult | null>;
    clearCache(pattern?: string): void;
}
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