import type { EngineDriver, ExtensionsDirectory } from 'dbgate-types';
export declare function isValidJsIdentifier(name: string): boolean;
export declare function assertValidJsIdentifier(name: string, label: string): void;
/**
 * Tests whether a value is a canonical DbGate plugin package name (dbgate-plugin-<name>).
 * By construction this rejects absolute paths, path traversal (..), path separators
 * and scoped/@-names, none of which may ever be passed to require()/require.resolve().
 */
export declare function isValidPluginPackageName(packageName: any): boolean;
/**
 * Asserts that packageName is a canonical DbGate plugin package name.
 * Must be called before any code path that resolves or require()s a plugin by name,
 * so that caller-supplied paths cannot be loaded as modules.
 */
export declare function assertValidPluginPackageName(packageName: any): string;
/**
 * Validates a shell API function name.
 * Allowed forms:
 *   - "someFunctionName"  (plain identifier, resolved as dbgateApi.someFunctionName)
 *   - "funcName@dbgate-plugin-xxx"  (namespaced, resolved as plugin.shellApi.funcName)
 */
export declare function assertValidShellApiFunctionName(functionName: string): void;
export declare function extractShellApiPlugins(functionName: any, props: any): string[];
export declare function extractPackageName(name: any): string;
export declare function compileShellApiFunctionName(functionName: any): string;
export declare function evalShellApiFunctionName(functionName: any, dbgateApi: any, requirePlugin: any): any;
export declare function findEngineDriver(connection: any, extensions: ExtensionsDirectory): EngineDriver;