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Code Analyzer for C#

There is a newer version: 10.2.0.105762

Why is this an issue?
Adding params to a method override has no effect.
The compiler accepts it, but the callers won’t be able to benefit from the added modifier.
Noncompliant code example
class Base
{
  public virtual void Method(int[] numbers)
  {
    ...
  }
}
class Derived : Base
{
  public override void Method(params int[] numbers) // Noncompliant, method can't be called with params syntax.
  {
    ...
  }
}

Compliant solution
class Base
{
  public virtual void Method(int[] numbers)
  {
    ...
  }
}
class Derived : Base
{
  public override void Method(int[] numbers)
  {
    ...
  }
}

Resources
Documentation

   params keyword