You are one developer on a team of several developers. The team is responsible for a large web application that uses Spring Framework. Your task is to implement an expressive command input function for the application. The team is using version $2\mathrm{.}6\mathrm{.}5$ of Spring Framework, and you want to use the Spring Expression Language to accomplish your task.

Use the Vulnerability Assessment Process Flow Diagram to help you identify which of the seven areas of security best apply to the scenario above. Select all that apply.

Input Validation: Secure input and representations

APIs: Secure API interactions

Cryptography: Encryption use and vulnerabilities

Client$/$Server: Secure distributed composing

Code Error: Secure error handling

Code Quality: Secure coding practices$/$patterns

Encapsulation: Secure data structures