Add FluidObject utility type to Replace IFluidObject

common/lib/core-interfaces/api-report/core-interfaces.api.md

@@ -69,7 +69,7 @@ export interface IFluidLoadable extends IProvideFluidLoadable {
     handle: IFluidHandle;
 }
 
-// @public (undocumented)
+// @public @deprecated (undocumented)
 export interface IFluidObject extends Readonly<Partial<IProvideFluidLoadable & IProvideFluidRunnable & IProvideFluidRouter & IProvideFluidHandleContext & IProvideFluidConfiguration & IProvideFluidHandle & IProvideFluidSerializer>> {
 }
 
@@ -213,6 +213,19 @@ export const isFluidCodeDetails: (details: unknown) => details is Readonly<IFlui
 // @public
 export const isFluidPackage: (pkg: any) => pkg is Readonly<IFluidPackage>;
 
+// Warning: (ae-incompatible-release-tags) The symbol "Provider" is marked as @public, but its signature references "ProviderPropertyKeys" which is marked as @internal
+//
+// @public
+export type Provider<T = unknown> = Partial<Pick<T, ProviderPropertyKeys<T>>>;
+
+// @public
+export type ProviderKeys<T> = keyof Provider<T>;
+
+// Warning: (ae-internal-missing-underscore) The name "ProviderPropertyKeys" should be prefixed with an underscore because the declaration is marked as @internal
+//
+// @internal
+export type ProviderPropertyKeys<T, TProp extends keyof T = keyof T> = string extends TProp ? never : number extends TProp ? never : TProp extends keyof T[TProp] ? TProp extends keyof T[TProp][TProp] ? TProp : never : never;
+
 
 // (No @packageDocumentation comment for this package)