public abstract Task<string> WriteToFileAsync(
	string parentPath,
	string fileName,
	bool generateUniqueName,
	Stream stream
)

Public MustOverride Function WriteToFileAsync ( 
	parentPath As String,
	fileName As String,
	generateUniqueName As Boolean,
	stream As Stream
) As Task(Of String)

public:
virtual Task<String^>^ WriteToFileAsync(
	String^ parentPath, 
	String^ fileName, 
	bool generateUniqueName, 
	Stream^ stream
) abstract

abstract WriteToFileAsync : 
        parentPath : string * 
        fileName : string * 
        generateUniqueName : bool * 
        stream : Stream -> Task<string>