import { SchemaAST } from '../../schema/schemaAST.js';
import type { QuerierPool, SchemaIntrospector, TableSchema } from '../../type/index.js';
/**
 * MongoDB schema introspector.
 * MongoDB doesn't have a fixed schema, so this primarily focuses on collections and indexes.
 */
export declare class MongoSchemaIntrospector implements SchemaIntrospector {
    private readonly pool;
    constructor(pool: QuerierPool);
    introspect(): Promise<SchemaAST>;
    getTableSchema(tableName: string): Promise<TableSchema | undefined>;
    getTableNames(): Promise<string[]>;
    tableExists(tableName: string): Promise<boolean>;
}
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