createFunctionExpression

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