code: @DoesServiceRequest
      public Iterable<CloudFileShare> listShares(final String prefix) {
          return this.listSharesWithPrefix(prefix, EnumSet.noneOf(ShareListingDetails.class), null /* options */, null /* opContext */);
      }
docs: Returns an enumerable collection of shares whose names begin with the specified prefix for this File service
  client.
  
  @param prefix
  A <code>String</code> that represents the share name prefix.
  
  @return An enumerable collection of {@link CloudFileShare} objects retrieved lazily that represent the
  shares for this client whose names begin with the specified prefix.