import { MichelsonType } from '../core/enums/type';
import { LineInfo } from '../misc/utils';
import { IExpression } from '../typings/expression';
/**
 * Check if a string starts with a given prefix
 *
 * @param text
 * @param prefix
 *
 * @returns {IExpression} An expression of types `TBool()`.
 */
export declare const StartsWith: (text: IExpression<MichelsonType.string>, prefix: IExpression<MichelsonType.string>, line?: LineInfo | undefined) => import("../core/expression").Expression<MichelsonType>;
/**
 * Check if a string ends with a given postfix
 *
 * @param text
 * @param postfix
 *
 * @returns {IExpression} An expression of types `TBool()`.
 */
export declare const EndsWith: (text: IExpression<MichelsonType.string>, postfix: IExpression<MichelsonType.string>, line?: LineInfo | undefined) => import("../core/expression").Expression<MichelsonType>;