/**
 * PostgreSQL Role Management - CRUD Tools
 *
 * Tools for listing, creating, dropping, and inspecting roles.
 * 4 tools total.
 */
import type { PostgresAdapter } from "../../postgres-adapter.js";
import type { ToolDefinition } from "../../../../types/index.js";
/**
 * List all roles with optional pattern filter
 */
export declare function createRoleListTool(adapter: PostgresAdapter): ToolDefinition;
/**
 * Create a new PostgreSQL role with optional attributes
 */
export declare function createRoleCreateTool(adapter: PostgresAdapter): ToolDefinition;
/**
 * Drop a PostgreSQL role
 */
export declare function createRoleDropTool(adapter: PostgresAdapter): ToolDefinition;
/**
 * Get detailed role attributes
 */
export declare function createRoleAttributesTool(adapter: PostgresAdapter): ToolDefinition;
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