def validate_projectfilesystemlocation_type(projectfilesystemlocation_type):
    """
    Validate ProjectFileSystemLocation type property
    Property: ProjectFileSystemLocation.Type
    """

    VALID_PROJECTFILESYSTEMLOCATION_TYPE = "EFS"

    if projectfilesystemlocation_type not in VALID_PROJECTFILESYSTEMLOCATION_TYPE:
        raise ValueError(
            "ProjectFileSystemLocation Type must be one of: %s"
            % ", ".join(VALID_PROJECTFILESYSTEMLOCATION_TYPE)
        )
    return projectfilesystemlocation_type