1. 1. Introduction
2. 2. Configuration
   1. 2.1. Settings
   2. 2.2. Partials
   3. 2.3. Nesting
   4. 2.4. Context
   5. 2.5. Generics
   6. 2.6. Structs & enums
      1. 2.6.1. Default values
      2. 2.6.2. Transforming values
      3. 2.6.3. Environment variables
      4. 2.6.4. Extendable sources
      5. 2.6.5. Merge strategies
      6. 2.6.6. Validation rules
   7. 2.7. Unit-only enums
      1. 2.7.1. Default variant
      2. 2.7.2. Fallback variant
   8. 2.8. Experimental
3. 3. Schemas
   1. 3.1. Types
      1. 3.1.1. Arrays
      2. 3.1.2. Booleans
      3. 3.1.3. Enums
      4. 3.1.4. Floats
      5. 3.1.5. Integers
      6. 3.1.6. Literals
      7. 3.1.7. Nulls
      8. 3.1.8. Objects
      9. 3.1.9. Strings
      10. 3.1.10. Structs
      11. 3.1.11. Tuples
      12. 3.1.12. Unions
      13. 3.1.13. Unknown
   2. 3.2. External types
   3. 3.3. Code generation
      1. 3.3.1. API documentation
      2. 3.3.2. Config templates
      3. 3.3.3. JSON schemas
      4. 3.3.4. Pkl modules
      5. 3.3.5. TypeScript types