public Observable<SnapshotInner> beginUpdateAsync(String resourceGroupName, String snapshotName, SnapshotUpdate snapshot) {
        return beginUpdateWithServiceResponseAsync(resourceGroupName, snapshotName, snapshot).map(new Func1<ServiceResponse<SnapshotInner>, SnapshotInner>() {
            @Override
            public SnapshotInner call(ServiceResponse<SnapshotInner> response) {
                return response.body();
            }
        });
    }
public Observable < SnapshotInner > beginUpdateAsync ( String resourceGroupName , String snapshotName , SnapshotUpdate snapshot ) { return beginUpdateWithServiceResponseAsync ( resourceGroupName , snapshotName , snapshot ) . map ( new Func1 < ServiceResponse < SnapshotInner > , SnapshotInner > ( ) { @ Override public SnapshotInner call ( ServiceResponse < SnapshotInner > response ) { return response . body ( ) ; } } ) ; }
Updates (patches) a snapshot.

@param resourceGroupName The name of the resource group.
@param snapshotName The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9 and _. The max name length is 80 characters.
@param snapshot Snapshot object supplied in the body of the Patch snapshot operation.
@throws IllegalArgumentException thrown if parameters fail the validation
@return the observable to the SnapshotInner object