This section applies only in Harford County. The State’s Attorney’s annual salary is equal to the salary of a judge of the District Court of Maryland. The county government shall pay all reasonable expenses for the conduct of the office. The State’s Attorney may appoint: not more than two deputy State’s Attorneys; and the number of assistant State’s Attorneys authorized by the County Executive and County Council. The deputy and assistant State’s Attorneys: serve at the pleasure of the State’s Attorney; receive compensation as provided by the County Executive and County Council; and have the same legal powers as the State’s Attorney to represent the State before the grand jury and in criminal proceedings. The State’s Attorney may appoint a secretary or clerical assistant who shall: serve at the pleasure of the State’s Attorney; and receive a salary that conforms to the exempt classification and pay plan authorized by the County Executive and County Council. The State’s Attorney may employ clerical, administrative, investigative, and other staff necessary for the proper conduct of the office. Subject to the approval of the County Executive and County Council and in conformity with the county pay and classification plans, the State’s Attorney shall set salaries and classifications for employees appointed under this paragraph. An employee appointed under this paragraph is entitled to the same benefits as a similarly classified county employee. Except in connection with performing the duties of the office, the State’s Attorney may not engage in the private practice of law or appear as counsel or represent any party before a court or unit of the State or a political subdivision of the State.