shareTransform
Signature - source.ts#L4108
function shareTransform<T, U>(
Subject_: () => Subject<T>,
transform: (shared: Source<T>) => Source<U>,
): Operator<T, U>
function shareTransform<U>(
Subject_: typeof Subject,
transform: <T>(source: Source<T>) => Source<U>,
): <T>(shared: Source<T>) => Source<U>