extractManipulations = caller => {
    const functionName = utils.between(caller, `a=a.split("");`, `.`);
    if (!functionName) return '';
    const functionStart = `var ${functionName}={`;
    const ndx = body.indexOf(functionStart);
    if (ndx < 0) return '';
    const subBody = body.slice(ndx + functionStart.length - 1);
    return `var ${functionName}=${utils.cutAfterJS(subBody)}`;
  }
Extracts the actions that should be taken to decipher a signature
and tranform the n parameter

@param {string} body
@returns {Array.<string>}