expand the typings

src/components/flyout/index.d.ts

@@ -1,3 +1,28 @@
 declare module '@elastic/eui' {
-  export const EuiFlyout: React.SFC<any>;
+  export interface EuiFlyoutProps {
+    onClose: () => void;
+    size: 's' | 'm' | 'l';
+    /**
+     * Hides the default close button. You must provide another close button somewhere within the flyout.
+     */
+    hideCloseButton: boolean;
+    /**
+     * Locks the mouse / keyboard focus to within the flyout
+     */
+    ownFocus: boolean;
+  }
+
+  export const EuiFlyout: React.SFC<
+    CommonProps &
+    EuiFlyoutProps
+  >;
+
+  export const EuiFlyoutBody: React.SFC<CommonProps>;
+
+  export interface EuiFlyoutHeaderProps {
+    hasBorder: boolean;
+  }
+  export const EuiFlyoutHeader: React.SFC<CommonProps & EuiFlyoutHeaderProps>;
+
+  export const EuiFlyoutFooter: React.SFC<CommonProps>;
 }