/**
 * SchemaExtension module.
 * @module SchemaExtension
 * @see module:extension/BaseExtension
 */
import { BaseExtension } from '../baseExtension';
import { Extension } from '../extension';
import { GeoPackage } from '../../geoPackage';
export declare class SchemaExtension extends BaseExtension {
    static readonly EXTENSION_SCHEMA_AUTHOR: string;
    static readonly EXTENSION_SCHEMA_NAME_NO_AUTHOR: string;
    static readonly EXTENSION_NAME: string;
    static readonly EXTENSION_SCHEMA_DEFINITION: string;
    constructor(geoPackage: GeoPackage);
    getOrCreateExtension(): Extension[];
    has(): boolean;
    removeExtension(): void;
}