registerImportIfApplicable(path: NodeImportDeclaration): void {
    const {node} = path;

    if (node.specifiers.length > 1) {
      return;
    }

    const specifier = node.specifiers[0];
    if (
      t.isImportDefaultSpecifier(specifier) ||
      t.isImportNamespaceSpecifier(specifier)
    ) {
      const alias = specifier.local.name;
      const modulePath = node.source.value;
      this.setModuleAlias(alias, modulePath);
    }
  }
Processes a `import ... from '...';` statement and registers the fbt enum
if applicable.

We only support the following top level import styles:
  - `import anEnum from 'Some$FbtEnum';`
  - `import * as aEnum from 'Some$FbtEnum';`

@param path Babel path of a `import` statement