# `Selecto.Builder.Window`

Builds SQL for window functions.

This module handles the generation of SQL for window functions including:
- Ranking functions (ROW_NUMBER, RANK, DENSE_RANK)
- Offset functions (LAG, LEAD, FIRST_VALUE, LAST_VALUE)  
- Aggregate functions with OVER clause
- Window frame specifications

# `build_window_functions`

```elixir
@spec build_window_functions(Selecto.Types.t()) :: {[String.t()], iolist(), [any()]}
```

Build window function SQL for SELECT clause.

Returns iodata for window functions that can be appended to the SELECT clause.

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*Consult [api-reference.md](api-reference.md) for complete listing*