RCW 72.05.010 through 72.05.210 shall be construed in connection with and supplemental to the juvenile court law as embraced in chapter 13.04 RCW. Process, procedure, probation by the court prior to commitment, and commitment shall be as provided therein. The terms "delinquency", "delinquent" and "delinquent children" as used and applied in the juvenile court law and the terms "behavior problems" and "children with behavior problems" as used in RCW 72.05.010 through 72.05.210 are synonymous and interchangeable.