addNewChild

open override fun addNewChild(parentId: Long, role: String?, index: Int, concept: IConcept?): Long
open override fun addNewChild(parentId: Long, role: String?, index: Int, concept: IConceptReference?): Long
open override fun addNewChild(parentId: Long, role: String?, index: Int, childId: Long, concept: IConcept?)
open override fun addNewChild(parentId: Long, role: String?, index: Int, childId: Long, concept: IConceptReference?)