private static ConversionResult methodParameterConvert(PsiType targetType, PsiType actualType) {
    if (TypesUtil.isClassType(actualType, JAVA_MATH_BIG_DECIMAL))
      return isFloatOrDoubleType(targetType) ? OK : null;
    return null;
  }
private static ConversionResult methodParameterConvert(PsiType targetType, PsiType actualType)