Layer

Represents an architectural layer within a software system.

A layer is defined by its name and a root package path that determines which code belongs to this layer. The root package path supports wildcards using ".." notation to include all subpackages.

Example usage:

val domainLayer = Layer("Domain", "com.example.domain..")
val presentationLayer = Layer("Presentation", "com.example.presentation..")

Package naming rules:

• Must end with ".." to indicate inclusion of all subpackages

• Cannot be empty (just "..")

• Cannot start with a dot

• Each package segment must:

• Start with a lowercase letter

• Contain only lowercase letters, numbers, or underscores

• Follow standard Java package naming conventions

• Intermediate ".." wildcards are allowed (e.g., "com..domain..")

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