code: function getInitialServerState( serializedServerState ) {
  	// Bootstrapped state from a server-render
  	const serverState = initialReducer( serializedServerState, { type: DESERIALIZE } );
  	return pick( serverState, Object.keys( serializedServerState ) );
  }
docs: TODO: Re-use (a modified version of) client/state/initial-state#getInitialServerState here