An enum that represents the employment type of a job.
Values: EMPLOYMENT_TYPE_UNSPECIFIED (0): The default value if the employment type isn't specified. FULL_TIME (1): The job requires working a number of hours that constitute full time employment, typically 40 or more hours per week. PART_TIME (2): The job entails working fewer hours than a full time job, typically less than 40 hours a week. CONTRACTOR (3): The job is offered as a contracted, as opposed to a salaried employee, position. CONTRACT_TO_HIRE (4): The job is offered as a contracted position with the understanding that it's converted into a full-time position at the end of the contract. Jobs of this type are also returned by a search for EmploymentType.CONTRACTOR jobs. TEMPORARY (5): The job is offered as a temporary employment opportunity, usually a short-term engagement. INTERN (6): The job is a fixed-term opportunity for students or entry-level job seekers to obtain on-the-job training, typically offered as a summer position. VOLUNTEER (7): The is an opportunity for an individual to volunteer, where there's no expectation of compensation for the provided services. PER_DIEM (8): The job requires an employee to work on an as-needed basis with a flexible schedule. FLY_IN_FLY_OUT (9): The job involves employing people in remote areas and flying them temporarily to the work site instead of relocating employees and their families permanently. OTHER_EMPLOYMENT_TYPE (10): The job does not fit any of the other listed types.