import type { IndexOptions } from './index-definitions.js';
export type AnyValue = any;
export type DbSchema = object;
export type SchemaKey<TSchema extends DbSchema> = Extract<keyof TSchema, string>;
export type SchemaValue<TValue> = unknown extends TValue ? any : TValue;
export type CollectionKey<TSchema extends DbSchema> = {
    [K in SchemaKey<TSchema>]: TSchema[K] extends readonly unknown[] ? K : never;
}[SchemaKey<TSchema>];
export type ArrayItem<TValue> = TValue extends readonly (infer TItem)[] ? TItem : never;
export type CollectionItem<TSchema extends DbSchema, K extends CollectionKey<TSchema>> = ArrayItem<TSchema[K]>;
export type PredicateFunction<T> = (item: T) => boolean;
export type UpdaterObject<T = Record<string, any>> = Partial<T>;
export interface CloseOptions {
    force?: boolean;
}
export interface DbOptions<TSchema extends DbSchema = Record<string, any>> {
    autoSave?: boolean;
    createIfNotExists?: boolean;
    defaultValue?: Partial<TSchema>;
    enableIndexing?: boolean;
    autoIndex?: boolean;
    indexValueMode?: 'strict' | 'coerce';
    indexes?: IndexOptions;
    persistIndexes?: boolean;
    indexMetaPath?: string;
    atomicWrites?: boolean;
    backupOnWrite?: boolean;
    backupPath?: string;
    tempPath?: string;
    fileLock?: boolean;
    lockPath?: string;
    staleLockMs?: number;
}