import { CrudEntry, UpdateType } from '@powersync/common';
/**
 * @internal
 */
export type CrudEntryJSON = {
    id: string;
    data: string;
    tx_id?: number;
};
/**
 * The output JSON seems to be a third type of JSON, not the same as the input JSON.
 */
type CrudEntryOutputJSON = {
    op_id: number;
    op: UpdateType;
    type: string;
    id: string;
    tx_id?: number;
    data?: Record<string, any>;
    old?: Record<string, any>;
    metadata?: string;
};
/**
 * A single client-side change.
 *
 * @public
 */
export declare class CrudEntryImpl implements CrudEntry {
    clientId: number;
    id: string;
    op: UpdateType;
    opData?: Record<string, any>;
    previousValues?: Record<string, any>;
    table: string;
    transactionId?: number;
    metadata?: string;
    static fromRow(dbRow: CrudEntryJSON): CrudEntry;
    constructor(clientId: number, op: UpdateType, table: string, id: string, transactionId?: number, opData?: Record<string, any>, previousValues?: Record<string, any>, metadata?: string);
    toJSON(): CrudEntryOutputJSON;
    equals(entry: CrudEntry): boolean;
    /**
     * Generates an array for use in deep comparison operations
     */
    toComparisonArray(): unknown[];
}
export {};