import type { MixedAstParser } from '../types.external';
/**
 * The parser for dql expressions
 *
 * @param expression the dql expression (with curly braces)
 * @return the parsed dql ast
 */
export declare const parsePureExpression: MixedAstParser;
/**
 * The parser for dql expressions with a mix of curly brace wrapped dql expressions and strings
 *
 * @param mixedExpression the dql expression with string literals
 * @return the parsed dql ast
 */
export declare const parseMixedExpression: MixedAstParser;
/**
 * The parser for dql expressions without curly braces
 *
 * @param embeddedExpression the dql expression without curly braces
 * @return the parsed dql ast
 */
export declare const parseEmbeddedExpression: MixedAstParser;