Add type annotation for public members

app/nodejs-v14/src/main/scala/io/scalajs/nodejs/buffer/package.scala

@@ -71,13 +71,13 @@ package object buffer {
     * Note that this is a property on the buffer module returned by require('buffer'), not on the
     * Buffer global or a Buffer instance.
     */
-  val INSPECT_MAX_BYTES = BufferNamespace.INSPECT_MAX_BYTES
+  val INSPECT_MAX_BYTES: UID = BufferNamespace.INSPECT_MAX_BYTES
 
   /**
     * On 32-bit architectures, this value is (2^30)-1 (~1GB). On 64-bit architectures, this value is (2^31)-1 (~2GB).F
     * Note that this is a property on the buffer module returned by require('buffer'), not on the Buffer global or a Buffer instance.
     */
-  val kMaxLength = BufferNamespace.kMaxLength
+  val kMaxLength: Double = BufferNamespace.kMaxLength
 
   @js.native
   @JSImport("buffer", JSImport.Namespace)

app/nodejs-v14/src/main/scala/io/scalajs/nodejs/crypto/package.scala

@@ -12,6 +12,6 @@ package object crypto {
   type Callback2[T1, T2] = js.Function3[NodeError, T1, T2, Any]
 
   implicit final class CryptoModuleEnrichment(private val crypto: Crypto.type) extends AnyVal {
-    @inline def Certificate = io.scalajs.nodejs.crypto.Certificate
+    @inline def Certificate: io.scalajs.nodejs.crypto.Certificate.type = io.scalajs.nodejs.crypto.Certificate
   }
 }