Function fromHandler

fromHandler(
handler: { action?: string | symbol; module?: any },
concern: "status" | "validation" | "resource" | "auth" | "authz",
): unknown
What a handler's decorator recorded for one concern.
Parameters
- handler: { action?: string | symbol; module?: any }
  The handler the route resolves to.
- concern: "status" | "validation" | "resource" | "auth" | "authz"
  What to look for.
Returns unknown
What was declared, or undefined.