/**
 * PostgreSQL Role Management - Privilege Tools
 *
 * Tools for granting/revoking privileges and role membership.
 * 4 tools total.
 */
import type { PostgresAdapter } from "../../postgres-adapter.js";
import type { ToolDefinition } from "../../../../types/index.js";
/**
 * Show privileges granted to a role
 */
export declare function createRoleGrantsTool(adapter: PostgresAdapter): ToolDefinition;
/**
 * Grant privileges on objects to a role
 */
export declare function createRoleGrantTool(adapter: PostgresAdapter): ToolDefinition;
/**
 * Grant role membership to a user/role
 */
export declare function createRoleAssignTool(adapter: PostgresAdapter): ToolDefinition;
/**
 * Revoke role membership or privileges from a user/role
 */
export declare function createRoleRevokeTool(adapter: PostgresAdapter): ToolDefinition;
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