Function ClientStream

Mark a method as a client-streaming RPC.

ClientStream(
    options?: RpcOptions,
): <T extends (...args: any[]) => any>(
    target: T,
    _context: ClassMethodDecoratorContext,
) => T
Mark a method as a client-streaming RPC (multiple requests, single response).
Parameters
- Optionaloptions: RpcOptions
Returns <T extends (...args: any[]) => any>(
target: T,
_context: ClassMethodDecoratorContext,
) => T
Example
```
@ClientStream()
async uploadBatch(requests: AsyncIterable<Item>): Promise<BatchResult> { ... }
```