import { DecorationSet, ViewUpdate, ViewPlugin } from '@codemirror/view';
/**
 * Regex pattern to match variable placeholders like {{variableName}} or {{user.name}}
 * Matches: {{ followed by a valid identifier path (with optional dot notation), then }}
 */
export declare const VARIABLE_PATTERN: RegExp;
/**
 * CodeMirror extension that highlights {{variableName}} patterns
 * with orange color and semibold weight
 */
export declare const variableHighlight: ViewPlugin<{
    decorations: DecorationSet;
    update(update: ViewUpdate): void;
}, undefined>;
