code: public void setAssertionLookupStrategy(final Function<ProfileRequestContext, Assertion> strategy) {
      ComponentSupport.ifInitializedThrowUnmodifiabledComponentException(this);
      this.assertionLookupStrategy = Constraint.isNotNull(strategy, "Assertion lookup strategy cannot be null");
    }
docs: Set the strategy used to locate the {@link Assertion} to operate on.
  
  @param strategy
  strategy used to locate the {@link Assertion} to operate on