/**
 * postgres-mcp — Schema Operations: List
 *
 * Schema query functions for listing tables, indexes, schemas,
 * and checking extension availability.
 */
import type { SchemaInfo, TableInfo, IndexInfo } from "../../../types/index.js";
import type { QueryExecutor, CacheHelpers } from "./describe.js";
/**
 * Get full schema info: tables, views, materialized views, and indexes.
 */
export declare function getSchemaInfo(executeQuery: QueryExecutor, cache: CacheHelpers): Promise<SchemaInfo>;
/**
 * Get all indexes across all user tables in a single query.
 * Performance optimization: eliminates N+1 query pattern.
 */
export declare function queryAllIndexes(executeQuery: QueryExecutor, cache: CacheHelpers): Promise<IndexInfo[]>;
/**
 * List all user tables, views, and materialized views.
 */
export declare function queryListTables(executeQuery: QueryExecutor, cache: CacheHelpers): Promise<TableInfo[]>;
/**
 * List all user schemas.
 */
export declare function queryListSchemas(executeQuery: QueryExecutor): Promise<string[]>;
/**
 * Get indexes for a specific table.
 */
export declare function queryTableIndexes(executeQuery: QueryExecutor, tableName: string, schemaName?: string): Promise<IndexInfo[]>;
/**
 * Check if a PostgreSQL extension is installed.
 */
export declare function queryIsExtensionAvailable(executeQuery: QueryExecutor, extensionName: string): Promise<boolean>;
//# sourceMappingURL=list.d.ts.map