[react-relay] Make QueryRenderer typings backwards compatible.

Author: alloy

types/react-relay/index.d.ts

@@ -89,15 +89,15 @@ export const graphql: GraphqlInterface;
 // ReactRelayQueryRenderer
 // ~~~~~~~~~~~~~~~~~~~~~
 
-export interface QueryRendererProps<T extends RelayRuntimeTypes.OperationBase> {
+export interface QueryRendererProps<T extends RelayRuntimeTypes.OperationBase = RelayRuntimeTypes.OperationDefaults> {
     cacheConfig?: RelayRuntimeTypes.CacheConfig;
     environment: RelayRuntimeTypes.Environment;
     query?: RelayRuntimeTypes.GraphQLTaggedNode | null;
     render(readyState: ReadyState<T["response"]>): React.ReactElement<any> | undefined | null;
     variables: T["variables"];
     rerunParamExperimental?: RelayRuntimeTypes.RerunParam;
 }
-export interface ReadyState<T> {
+export interface ReadyState<T extends RelayRuntimeTypes.Variables = RelayRuntimeTypes.Variables> {
     error: Error | undefined | null;
     props: T | undefined | null;
     retry?(): void;