updateFunctionExpression
abstract fun updateFunctionExpression( node: FunctionExpression, modifiers: <Error class: unknown class><Modifier>?, asteriskToken: AsteriskToken?, name: Identifier?, typeParameters: <Error class: unknown class><TypeParameterDeclaration>?, parameters: <Error class: unknown class><ParameterDeclaration>, type: TypeNode?, body: Block): FunctionExpression(source)