message: add export back in
diff: @@ -157,7 +157,7 @@ declare module '@primer/components' {
  export const StyledOcticon: React.FunctionComponent<StyledOcticonProps>
  -
  + export interface DropdownProps extends DetailsProps {}
  export interface DropdownItem extends CommonProps, Omit<React.HTMLAttributes<HTMLLIElement>, 'color'> {}
  export interface DropdownMenuProps extends CommonProps, Omit<React.HTMLAttributes<HTMLUListElement>, 'color'> {
  @@ -168,7 +168,7 @@ declare module '@primer/components' {
  export interface DropdownCaretProps extends CommonProps, Omit<React.HTMLAttributes<HTMLDivElement>, 'color'> {}
  - export const Dropdown: React.FunctionComponent<DetailsProps> & {
  + export const Dropdown: React.FunctionComponent<DropdownProps> & {
  Menu: React.FunctionComponent<DropdownMenuProps>
  Item: React.FunctionComponent<DropdownItemProps>
  Button: React.FunctionComponent<DropdownButtonProps>
  