import { URI } from '../model/uri';
import { CreateNoteFunction } from './note-creation-types';
/**
 * Error thrown when there are issues loading or executing JavaScript templates
 */
export declare class JSTemplateError extends Error {
    readonly templatePath: string;
    constructor(message: string, templatePath: string);
}
/**
 * Loader for JavaScript template functions.
 *
 * Execution uses Node's `vm` module. This is NOT a security sandbox — `vm` is
 * not a security boundary, but provides a clean global namespace and
 * a wall-clock execution timeout that interrupts an accidental infinite loop.
 */
export declare class JSTemplateLoader {
    private readonly readFile;
    private static readonly EXECUTION_TIMEOUT;
    private static readonly VM_OPTIONS;
    constructor(readFile: (uri: URI) => Promise<string>);
    /**
     * Loads and returns a note creation function from a JavaScript template file
     *
     * @param template Path to the JavaScript template file
     * @returns The createNote function from the template
     */
    loadFunction(template: URI): Promise<CreateNoteFunction>;
    /**
     * Creates a note creation function from JavaScript code
     * SECURITY: This is not a sandbox; this runs with full RCE potential and
     * should only be called behind a trust gate (e.g. VS Code Workspace Trust).
     *
     * @param code The JavaScript code containing the createNote function
     * @param template Path for error reporting
     * @returns The createNote function
     */
    private createFunctionFromCode;
    /**
     * Checks that the template source defines a `createNote` function, so a
     * common authoring mistake fails with a clear message before the code runs.
     * This is a structural sanity check, not a security control.
     */
    private validateTemplateCode;
    /**
     * Validates the result returned by a template function
     */
    private validateResult;
}
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