copy

fun copy(    sourceLocation: SourceLocation? = this.sourceLocation,     operationType: String = this.operationType,     name: String? = this.name,     variableDefinitions: List<GQLVariableDefinition> = this.variableDefinitions,     directives: List<GQLDirective> = this.directives,     selections: List<GQLSelection> = this.selections,     description: String? = this.description): GQLOperationDefinition