MCP Agent TypeScript Port

declare const leven: { /** Measure the difference between two strings. @example ``` import leven = require('leven'); leven('cat', 'cow'); //=> 2 ``` */ (left: string, right: string): number; // TODO: Remove this for the next major release, refactor the whole definition to: // declare function leven(left: string, right: string): number; // export = leven; default: typeof leven; }; export = leven;