code: def setMultiline(self, ml):
      if ml:
          self.setPlaceholderText(self.ps2)
      else:
          self.setPlaceholderText(self.ps1)
  
file_path: pyqtgraph/pyqtgraph/console/CmdInput.py
imports: from ..Qt import QtCore, QtWidgets
label_desc: Use image node_id 2 for calling the CmdInput obj's underlying member method code with example usage: obj.setMultiline(ml) without return types