message: Fixed ref type
diff: import React from 'react';
  -import { requireNativeComponent, Platform, NativeComponent } from 'react-native';
  +import { requireNativeComponent, Platform, View } from 'react-native';
  class SearchBar extends React.Component {
  - private ref: React.RefObject<NativeComponent>;
  + private ref: React.RefObject<View>;
  constructor(props) {
  super(props);
  - this.ref = React.createRef<NativeComponent>();
  + this.ref = React.createRef<View>();
  this.onChangeText = this.onChangeText.bind(this);
  }
  static defaultProps = {
  @@ -26,7 +26,7 @@ class SearchBar extends React.Component {
  return (
  <NVSearchBar
  {...this.props}
  - ref={this.ref as any}
  + ref={this.ref}
  onChangeText={this.onChangeText}
  style={{position: 'absolute'}} />
  );
  