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Codegen provides first-class support for both Python and TypeScript codebases. The language is automatically inferred when you initialize a codebase.

Language Detection

When you create a new Codebase instance, Codegen automatically detects the programming language:
Learn more about codebase initialization options in Parsing Codebases.

Type System

Codegen uses specialized types for each language. These are defined as type aliases:
Every code element has both a Python and TypeScript implementation that inherits from a common base class. For example:
This inheritance pattern means that most Codegen programs can work with either Python or TypeScript without modification, since they share the same API structure.

TypeScript-Specific Features

Some features are only available in TypeScript codebases: Example of TypeScript-specific features: