import { Filelike } from "../file";
/**
 * A FileReader implemented using the node.js filesystem API.
 */
export declare class FileReader implements Filelike {
    #private;
    constructor(filename: string);
    open(): Promise<number>;
    close(): Promise<void>;
    /**
     * Read up to `length` bytes starting from `offset` bytes.
     */
    read(offset: number, length: number): Promise<Uint8Array>;
    size(): number;
}
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