docstr: Plot a correlation heatmap.
  
  Returns:
      None
docstr_tok: ["Plot","a","correlation","heatmap",".","Returns",":","None"]
code: def plot_correlation_heatmap(self) -> None:
      """
      Plot a correlation heatmap.
  
      Returns:
          None
      """
  
      self.chat("Plot a correlation heatmap.")
  
imports: from ..helpers.df_info import DataFrameType
  from typing import Union
  from abc import ABC, abstractmethod
label_desc: Use image node_id 10 for calling the Shortcuts obj's underlying member method code with example usage: obj.plot_correlation_heatmap() without return types