1 files changed, 47 insertions, 0 deletions
diff --git a/preact/compat/src/internal.d.ts b/preact/compat/src/internal.d.ts
new file mode 100644
index 0000000..cb68ffa
--- /dev/null
+++ b/preact/compat/src/internal.d.ts
@@ -0,0 +1,47 @@
+import {
+	Component as PreactComponent,
+	VNode as PreactVNode,
+	FunctionComponent as PreactFunctionComponent
+} from '../../src/internal';
+import { SuspenseProps } from './suspense';
+
+export { ComponentChildren } from '../..';
+
+export { PreactElement } from '../../src/internal';
+
+export interface Component<P = {}, S = {}> extends PreactComponent<P, S> {
+	isReactComponent?: object;
+	isPureReactComponent?: true;
+	_patchedLifecycles?: true;
+
+	// Suspense internal properties
+	_childDidSuspend?(error: Promise<void>, suspendingVNode: VNode): void;
+	_suspended: (vnode: VNode) => (unsuspend: () => void) => void;
+	_onResolve?(): void;
+
+	// Portal internal properties
+	_temp: any;
+	_container: PreactElement;
+}
+
+export interface FunctionComponent<P = {}> extends PreactFunctionComponent<P> {
+	shouldComponentUpdate?(nextProps: Readonly<P>): boolean;
+	_forwarded?: boolean;
+	_patchedLifecycles?: true;
+}
+
+export interface VNode<T = any> extends PreactVNode<T> {
+	$$typeof?: symbol | string;
+	preactCompatNormalized?: boolean;
+}
+
+export interface SuspenseState {
+	_suspended?: null | VNode<any>;
+}
+
+export interface SuspenseComponent
+	extends PreactComponent<SuspenseProps, SuspenseState> {
+	_pendingSuspensionCount: number;
+	_suspenders: Component[];
+	_detachOnNextRender: null | VNode<any>;
+}