<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_environment_config():
 """ Returns all the Turi Create configuration variables that can only be set via environment variables. - *TURI_FILEIO_WRITER_BUFFER_SIZE*: The file write buffer size. - *TURI_FILEIO_READER_BUFFER_SIZE*: The file read buffer size. - *OMP_NUM_THREADS*: The maximum number of threads to use for parallel processing. Returns ------- Returns a dictionary of {key:value,..} """

    from .._connect import main as _glconnect
    unity = _glconnect.get_unity()
    return unity.list_globals(False)