This method permits to unzip files in the library. The method requires that the zip file was uploaded beforehand.
The connection token
The path/name of the zip file. Example: "myfiles.zip", "folder1\new.zip", etc.
Optional folder into which to unzip the files. If not set, then the files are unzipped to the base folder of the language.
Default: false. If false then the operation will fail if any of the unzipped files already exists. If true then existing files will be replaced.
The method will never replace existing source files that are marked for online or offline translation. It will fail even with "overwrite=true".