import ShxRecord from './ShxRecord';
import ShxIterator from './ShxIterator';
import IQueryFilter from '../shared/IQueryFilter';
import OpenerSync from '../base/OpenerSync';
import { FileStream } from 'ginkgoch-filestream';
export default class Shx extends OpenerSync {
    filePath: string;
    _flag: string;
    _fd?: number;
    _totalSize: number;
    _stream?: FileStream;
    constructor(filePath: string, flag?: string);
    /**
     * @override
     */
    _open(): void;
    /**
     * @override
     */
    _close(): void;
    count(): number;
    /**
     * Gets the shx records with offset and length information.
     * @param id The id of shx record. Starts from 1.
     */
    get(id: number): {
        id: number;
        offset: number;
        length: number;
    };
    records(filter?: IQueryFilter): Array<ShxRecord>;
    iterator(): ShxIterator;
    /**
     * Remove record by id.
     * @param {number} id The id of shx record. Starts from 1.
     */
    remove(id: number): void;
    /**
     * Update record by id.
     * @param id The id of shx record. Starts from 1.
     * @param offset The offset content.
     * @param length The length content.
     */
    update(record: ShxRecord): void;
    push(offset: number, length: number): void;
    _invalidCache(): void;
    private static _getRecordBuff;
    private _getOffsetById;
    private get __fd();
    private get __reader();
}
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