How to use the react-docgen-typescript.getDefaultExportForFile function in react-docgen-typescript

componentNameResolver: (exp, source) => {
    return exp.getName() === 'StyledComponentClass' && getDefaultExportForFile(source)
  }
}

componentNameResolver: (exp, source) =>
				exp.getName() === 'StyledComponentClass' &&
				require('react-docgen-typescript').getDefaultExportForFile(source),
		}

componentNameResolver: (exp, source) =>
				exp.getName() === 'StyledComponentClass' &&
				docgenTypeScript.getDefaultExportForFile(source),
		}

componentNameResolver: (exp, source) => {
        return require("react-docgen-typescript").getDefaultExportForFile(
          source
        );
      }
    }