You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: fromJava.m
    path of file: ./repos/lrslibrary/libs/+lightspeed
    
    the code of the file until where you have to start completion: function v = fromJava(jv)

    
function v = fromJava(jv)
%fromJava    Convert from Java to Matlab.
% fromJava(jv) converts a Java object back into a matlab object, reversing
% the action of toJava.
%
% See also toJava.

% Written by Thomas Minka
% (c) Microsoft Corporation. All rights reserved.

if ~isjava(jv)
  v = jv;
  return
end