fix: sink returntype

Author: vasco-santos

src/peer-routing/types.d.ts

@@ -4,5 +4,5 @@ import Multiaddr from 'multiaddr'
 declare class PeerRouting {
   constructor (options?: Object);
   findPeer (peerId: PeerId, options?: Object): Promise<{ id: PeerId, multiaddrs: Multiaddr[] }>;
-  getClosestPeers(key: Uint8Array): AsyncIterable<{ id: PeerId, multiaddrs: Multiaddr[] }>;
+  getClosestPeers(key: Uint8Array, options?: Object): AsyncIterable<{ id: PeerId, multiaddrs: Multiaddr[] }>;
 }

src/stream-muxer/types.d.ts

@@ -48,4 +48,4 @@ export interface MuxedStream extends AsyncIterable<Uint8Array | BufferList> {
   id: string;
 }
 
-export type Sink = (source: Uint8Array) => Promise<Uint8Array>;
+export type Sink = (source: Uint8Array) => Promise<void>;