/**
   * Rewrite import declarations source URLs reference the bundle URL for
   * bundled files and import names to correspond to names as exported by
   * bundles.
   */
  private _rewriteImportStatements(baseUrl: ResolvedUrl, node: babel.Node) {
    const this_ = this;
    traverse(node, {
      noScope: true,
      // Dynamic import() syntax doesn't have full type support yet, so we
      // have to use generic `enter` and walk all nodes until that's fixed.
      // TODO(usergenic): Switch this to the `Import: { enter }` style
      // after dynamic imports fully supported.
      enter(path: NodePath) {
        if (path.node.type === 'Import') {
          this_._rewriteDynamicImport(baseUrl, node, path);
        }
      },
    });

    traverse(node, {
      noScope: true,
      ImportDeclaration: {
        enter(path: NodePath) {
          const importDeclaration = path.node as babel.ImportDeclaration;
          if (!babel.isStringLiteral(importDeclaration.source)) {
            // We can't actually handle values which are not string literals, so
            // we'll skip them.
            return;
          }
          const source = importDeclaration.source.value as ResolvedUrl;
          const sourceBundle = this_.manifest.getBundleForFile(source);
          // If there is no import bundle, then this URL is not bundled (maybe
          // excluded or something) so we should just ensure the URL is
          // converted back to a relative URL.
          if (!sourceBundle) {
            importDeclaration.source.value =
                this_.bundler.analyzer.urlResolver.relative(baseUrl, source);
            return;
          }
          for (const specifier of importDeclaration.specifiers) {
            if (babel.isImportSpecifier(specifier)) {
              this_._rewriteImportSpecifierName(
                  specifier, source, sourceBundle);
            }
            if (babel.isImportDefaultSpecifier(specifier)) {
              this_._rewriteImportDefaultSpecifier(
                  specifier, source, sourceBundle);
            }
            if (babel.isImportNamespaceSpecifier(specifier)) {
              this_._rewriteImportNamespaceSpecifier(
                  specifier, source, sourceBundle);
            }
          }
          importDeclaration.source.value =
              ensureLeadingDot(this_.bundler.analyzer.urlResolver.relative(
                  baseUrl, sourceBundle.url));
        }
      }
    });
  }

 return importSpecifiers.reduce((prev, curr: t.ImportSpecifier) => {
   if (t.isImportSpecifier(curr)) {
     prev.add(curr.imported.name)
   }
   return prev
 }, new Set())

 const specifier = specifiers.find(item => {
   return t.isImportSpecifier(item) && item.imported.name === providerComponentName
 })