diff --git a/src/core/renderer/index.d.ts b/src/core/renderer/index.d.ts
index 9dfb59d41..a6bed991f 100644
--- a/src/core/renderer/index.d.ts
+++ b/src/core/renderer/index.d.ts
@@ -12,5 +12,7 @@ export * from './constants.js';
 
 export { LRUCache } from './utilities/LRUCache.js';
 export { PriorityQueue } from './utilities/PriorityQueue.js';
+export * as TraversalUtils from './utilities/TraversalUtils.js';
+export * as LoaderUtils from './utilities/LoaderUtils.js';
 export { BatchTable } from './utilities/BatchTable.js';
 export { FeatureTable } from './utilities/FeatureTable.js';
diff --git a/src/core/renderer/index.js b/src/core/renderer/index.js
index 0a01e8942..e175b9654 100644
--- a/src/core/renderer/index.js
+++ b/src/core/renderer/index.js
@@ -11,3 +11,5 @@ export { LRUCache } from './utilities/LRUCache.js';
 export * from './utilities/PriorityQueue.js';
 export * as TraversalUtils from './utilities/TraversalUtils.js';
 export * as LoaderUtils from './utilities/LoaderUtils.js';
+export { BatchTable } from './utilities/BatchTable.js';
+export { FeatureTable } from './utilities/FeatureTable.js';
diff --git a/src/core/renderer/utilities/BatchTable.d.ts b/src/core/renderer/utilities/BatchTable.d.ts
index f0fc18bd0..0798e9881 100644
--- a/src/core/renderer/utilities/BatchTable.d.ts
+++ b/src/core/renderer/utilities/BatchTable.d.ts
@@ -1,4 +1,6 @@
-export class BatchTable {
+import { FeatureTable } from './FeatureTable.js';
+
+export class BatchTable extends FeatureTable {
 
 	count : number;
 
diff --git a/src/core/renderer/utilities/FeatureTable.d.ts b/src/core/renderer/utilities/FeatureTable.d.ts
index 5f405cdbb..d9c8eb2e2 100644
--- a/src/core/renderer/utilities/FeatureTable.d.ts
+++ b/src/core/renderer/utilities/FeatureTable.d.ts
@@ -7,7 +7,10 @@ interface FeatureTableHeader {
 
 export class FeatureTable {
 
-	header: FeatureTableHeader;
+	buffer : ArrayBuffer;
+	binOffset : number;
+	binLength : number;
+	header : FeatureTableHeader;
 
 	constructor(
 		buffer : ArrayBuffer,
diff --git a/src/core/renderer/utilities/LoaderUtils.d.ts b/src/core/renderer/utilities/LoaderUtils.d.ts
new file mode 100644
index 000000000..7ad6076df
--- /dev/null
+++ b/src/core/renderer/utilities/LoaderUtils.d.ts
@@ -0,0 +1,6 @@
+export function readMagicBytes( bufferOrDataView: ArrayBufferLike | DataView ): string | null;
+
+export function arrayToString( array: AllowSharedBufferSource ): string;
+
+// Returns a working path with a trailing slash
+export function getWorkingPath( url: string ): string;
diff --git a/src/core/renderer/utilities/TraversalUtils.d.ts b/src/core/renderer/utilities/TraversalUtils.d.ts
new file mode 100644
index 000000000..9559cc4d1
--- /dev/null
+++ b/src/core/renderer/utilities/TraversalUtils.d.ts
@@ -0,0 +1,19 @@
+import { Tile } from '../tiles/Tile.js';
+
+// Helper function for traversing a tile set. If `beforeCb` returns `true` then the
+// traversal will end early.
+export function traverseSet(
+	tile: Tile,
+	beforeCb?: ( (
+		tile: Tile,
+		parent: Tile | null,
+		depth: number,
+	) => boolean | void ) | null,
+	afterCb?: ( ( tile: Tile, parent: Tile | null, depth: number ) => void ) | null,
+): void;
+
+// Traverses the ancestry of the tile up to the root tile.
+export function traverseAncestors(
+	tile: Tile,
+	callback?: ( ( current: Tile, parent: Tile | null, depth: number ) => void ) | null,
+): void;
diff --git a/src/three/renderer/controls/EnvironmentControls.d.ts b/src/three/renderer/controls/EnvironmentControls.d.ts
index 08bbd0a73..774534fa1 100644
--- a/src/three/renderer/controls/EnvironmentControls.d.ts
+++ b/src/three/renderer/controls/EnvironmentControls.d.ts
@@ -1,4 +1,4 @@
-import { Camera, EventDispatcher, Object3D, Plane, Vector3 } from 'three';
+import { Camera, Clock, EventDispatcher, Object3D, Plane, Vector3 } from 'three';
 import { TilesRenderer } from '../tiles/TilesRenderer.js';
 
 export interface EnvironmentControlsEventMap {
@@ -35,6 +35,7 @@ export class EnvironmentControls extends EventDispatcher<EnvironmentControlsEven
 	fallbackPlane: Plane;
 	up: Vector3;
 	pivotPoint: Vector3;
+	clock: Clock;
 
 	constructor(
 		scene?: Object3D,