Add TypeScript types for services

**Description**
Currently parsers lacks proper encryption support.

**Proposed solution**
Add configurable encryption with sensible defaults.

**Priority**: Low/Medium

First reconcile the title's request for TypeScript service types with the description's request for parser encryption, then locate the parser and service entry points in the repository. Confirm the intended encryption scope, configurable options, and sensible defaults with maintainers; done should be defined by agreed behavior and corresponding validation.

Written by the indexing model from the issue text.