import { ExpressionConverter } from '../../..';
import { OperandBuilder } from '../../../operand/domain';
import { ExprH3lp } from '../../../shared/infrastructure';
export declare class ExpressionConvertFunction implements ExpressionConverter {
    private readonly operandBuilder;
    private readonly helper;
    constructor(operandBuilder: OperandBuilder, helper: ExprH3lp);
    /**
     * Convert a lambda expression to a query expression
     * @param lambda lambda expression
     * @returns Expression manager
     */
    convert(func: Function): [string, any];
}