# Common Helper: Extensions

Shared utility extensions used across multiple components.

## Modules
- `EnumExtensions` — enum description/attribute extraction (used by BusinessException)
- `StringExtensions` — PascalCase → snake_case conversion (used by AzaionDbSchemaHolder)
- `StreamExtensions` — Stream → string conversion (used by SecurityTest)
- `QueryableExtensions` — conditional LINQ Where filter (used by UserService)

## Consumers
| Helper | Used By Components |
|--------|-------------------|
| `EnumExtensions.GetDescriptions` | Data Layer (BusinessException) |
| `StringExtensions.ToSnakeCase` | Data Layer (AzaionDbSchemaHolder) |
| `StreamExtensions.ConvertToString` | Tests |
| `QueryableExtensions.WhereIf` | User Management (UserService) |