/**
 * Common type aliases used across the AxioDB codebase.
 * Import from here instead of using `any` for document data.
 */
/** A generic document object. All document storage, queries, and results use this shape. */
export type Document = Record<string, unknown>;
/** A MongoDB-style query filter value. */
export type QueryValue = string | number | boolean | RegExp | QueryOperator | QueryValue[];
/** Operator expressions inside a query filter (e.g. { $gt: 5 }). */
export interface QueryOperator {
    $gt?: number;
    $gte?: number;
    $lt?: number;
    $lte?: number;
    $ne?: unknown;
    $eq?: unknown;
    $in?: unknown[];
    $nin?: unknown[];
    $regex?: string | RegExp;
    $options?: string;
    $exists?: boolean;
    $elemMatch?: Record<string, QueryValue>;
    $not?: Record<string, QueryValue>;
    $type?: string;
    $size?: number;
    $all?: unknown[];
}
/** A MongoDB-style sort specification. */
export type SortSpec = Record<string, 1 | -1>;
/** A MongoDB-style projection specification. */
export type ProjectionSpec = Record<string, 0 | 1>;
/** A document with its associated filename (used in CRUD operations). */
export interface DocumentWithFileName {
    fileName: string;
    data: Document;
}