class_docstr: Class to hold the matrix type.
class_docstr_tok: ["Class","to","hold","the","matrix","type","."]
code: def __repr__(self):
      return f"HBMatrixType({self.value_type}, {self.structure}, {self.storage})"
  
imports: import warnings
  import numpy
  from scipy.sparse import csc_matrix
  from ._fortran_format_parser import FortranFormatParser, IntFormat, ExpFormat
label_desc: Use image node_id 4 for calling the HBMatrixType obj's underlying member method code with example usage: obj.__repr__() and returns: str, self, str, self, str, self, str