import { UseQueryResult } from '@tanstack/react-query';
import { RequestOptions } from '@elaraai/e3-api-client';
import { EastTypeValue } from '@elaraai/east';
import { PlatformFunction } from '@elaraai/east/internal';
import { QueryOverrides } from './types.js';
export interface UseDatasetValueOptions {
    requestOptions?: RequestOptions;
    queryOverrides?: QueryOverrides;
    /** Set false to skip the fetch (e.g. when oversized). Defaults to true. */
    enabled?: boolean;
    /**
     * Hash of the current dataset version. Used as part of the query key so
     * the cached value invalidates when the underlying data changes. Pass
     * `null` if not yet known — the fetch is gated on it being non-null.
     */
    hash?: string | null;
    /**
     * Platform implementations passed to `decodeBeast2For`. Closures inside
     * the decoded value (callbacks, etc) close over these. Defaults to the
     * global Data/State/Overlay impls. Pass a manifest-scoped variant for
     * per-subtree read/write validation.
     */
    platforms?: PlatformFunction[];
    /** East type to decode against. Required. */
    type: EastTypeValue;
}
export interface DatasetValueResult {
    decoded: unknown;
    sizeBytes: number;
}
/** Fetch + decode a dataset value. Caller is responsible for size gating. */
export declare function useDatasetValue(apiUrl: string, repo: string, workspace: string | null, datasetPath: string | null, options: UseDatasetValueOptions): UseQueryResult<DatasetValueResult, Error>;
/** Trigger a binary download of a dataset value. */
export declare function useDatasetDownload(apiUrl: string, repo: string, workspace: string | null, datasetPath: string | null, requestOptions?: RequestOptions): () => Promise<void>;
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