/**
 * Template Variable Autocomplete Extension for CodeMirror
 * Provides autocomplete suggestions for {{ variable }} syntax in template editors.
 *
 * Features:
 * - Triggers on `{{` to show top-level variables
 * - Triggers on `.` to show child properties for objects
 * - Triggers on `[` to show array index options
 * - Supports deep nesting (e.g., `user.address.city`)
 *
 * @module components/form/templateAutocomplete
 */
import type { Extension } from '@codemirror/state';
import type { VariableSchema } from '../../types/index.js';
/**
 * Creates a CodeMirror extension for template variable autocomplete.
 *
 * @param schema - The variable schema containing available variables
 * @returns A CodeMirror extension that provides autocomplete
 *
 * @example
 * ```typescript
 * const extensions = [
 *   // ... other extensions
 *   createTemplateAutocomplete(variableSchema)
 * ];
 * ```
 */
export declare function createTemplateAutocomplete(schema: VariableSchema): Extension;