feat(types): Add View Hierarchy types (#11409)

https://github.com/getsentry/rfcs/blob/main/text/0033-view-hierarchy.md

Author: timfish

packages/types/src/index.ts

@@ -154,3 +154,4 @@ export type {
   MetricInstance,
 } from './metrics';
 export type { ParameterizedString } from './parameterize';
+export type { ViewHierarchyData, ViewHierarchyWindow } from './view-hierarchy';

packages/types/src/view-hierarchy.ts

@@ -0,0 +1,18 @@
+export type ViewHierarchyWindow = {
+  alpha: number;
+  height: number;
+  type: string;
+  visible: boolean;
+  width: number;
+  x: number;
+  y: number;
+  z?: number;
+  children?: ViewHierarchyWindow[];
+  depth?: number;
+  identifier?: string;
+} & Record<string, string | number | boolean>;
+
+export type ViewHierarchyData = {
+  rendering_system: string;
+  windows: ViewHierarchyWindow[];
+};