Isolation of high-level abstractions from low-level details is our goal here. By carefully managing the dependencies within a system so that all source code dependencies, especially those that cross-architecture boundaries, point towards high-level abstractions, not low-level details we can implement this pattern. (SRP, OCP, LSP, ISP, or DIP) The Single Responsibility Principle (SRP) The Open-Closed Principle (OCP) The Liskov Substitution Principle (LSP) The Interface Segregation Principle (ISP) The Dependency Inversion Principle (DIP)

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