w.pkgInfo = pkgInfo
	w.paramNames = false
	w.signature(f.typ.(*Signature))
	return buf.String()
}

// assertableTo reports whether a value of type V can be asserted to have type T.
// The receiver may be nil if assertableTo is invoked through an exported API call
// (such as AssertableTo), i.e., when all methods have been type-checked.
// The underlying type of V must be an interface.

	w.pkgInfo = pkgInfo
	w.paramNames = false
	w.signature(f.typ.(*Signature))
	return buf.String()
}

// assertableTo reports whether a value of type V can be asserted to have type T.
// The receiver may be nil if assertableTo is invoked through an exported API call
// (such as AssertableTo), i.e., when all methods have been type-checked.
// The underlying type of V must be an interface.

			}

			klog.Flush()
			klog.SetOutput(&bytes.Buffer{}) // prevent further writes into buf
			capturedOutput := buf.String()

			// replace the uid with a constant to make the test output stable and assertable
			capturedOutput = regexp.MustCompile(`uid="[^"]+"`).ReplaceAllString(capturedOutput, `uid="UID"`)

			for _, wantLog := range tc.wantLogs {
				if !strings.Contains(capturedOutput, wantLog) {