public virtual void write(
	[T:gemfire.SharedPtr<gemfire::CacheableKey>]* key,
	[T:gemfire.SharedPtr<gemfire::Serializable>]* value
)

Visual Basic does not support APIs that consume or return unsafe types.

public:
virtual void write(
	[T:gemfire.SharedPtr<gemfire::CacheableKey>]* key, 
	[T:gemfire.SharedPtr<gemfire::Serializable>]* value
)

F# does not support APIs that consume or return unsafe types.