class_docstr: Holds parameters for calculation of technical indicators.
  
      
class_docstr_tok: ["Holds","parameters","for","calculation","of","technical","indicators","."]
code: def only_allow_longs(self):
      return self.__only_allow_longs
  
imports: import pandas
  import numpy
  from collections import OrderedDict
  from findatapy.timeseries import Calculations
  from findatapy.util.loggermanager import LoggerManager
label_desc: Use image node_id 16 for calling the TechParams obj's underlying member method code with example usage: obj.only_allow_longs() and returns: self