message: Fix typing for select
diff: @@ -62,6 +62,7 @@ export interface PowerSelectArgs {
  noMatchesMessage?: string;
  noMatchesMessageComponent?: string;
  matchTriggerWidth?: boolean;
  + selectedItemComponent?: string;
  options: any[] | PromiseProxy<any[]>;
  selected: any | PromiseProxy<any>;
  closeOnSelect?: boolean;
  @@ -76,6 +77,12 @@ export interface PowerSelectArgs {
  matcher?: MatcherFn;
  initiallyOpened?: boolean;
  typeAheadOptionMatcher?: MatcherFn;
  + placeholder?: string;
  + renderInPlace?: boolean;
  + verticalPosition?: 'auto' | 'below' | 'above';
  + dropdownClass?: string;
  + disabled?: boolean;
  + eventType?: string; // FIXME probably narrower?
  buildSelection?: (selected: any, select: Select) => any;
  onChange: (selection: any, select: Select, event?: Event) => void;
  search?: (term: string, select: Select) => any[] | PromiseProxy<any[]>;
  @@ -106,7 +113,7 @@ export interface PatchedPowerSelectArgs
  verticalPosition?: 'auto' | 'below' | 'above';
  dropdownClass?: string;
  placeholder?: string;
  - selectedItemComponent?: unknown;
  + selectedItemComponent?: string;
  }
  export default class PowerSelect extends Component<{
  