import type { GlobalAfterReadHook, GlobalBeforeChangeHook } from 'payload';
interface FileHookOptions {
    readonly uploadCollection: string;
}
/**
 * Creates a `GlobalAfterReadHook` that reads the upload file
 * referenced by `doc.file` and populates the virtual `data` field.
 */
export declare const createPopulateDataFromFileHook: ({ uploadCollection }: FileHookOptions) => GlobalAfterReadHook;
/**
 * Creates a `GlobalBeforeChangeHook` that serializes the incoming
 * `data` field to a JSON file in the upload collection and stores
 * the resulting file ID on `data.file`.
 */
export declare const createPersistDataToFileHook: ({ uploadCollection }: FileHookOptions) => GlobalBeforeChangeHook;
export {};
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