How to use the @spartacus/core.provideConfig function in @spartacus/core

static forRoot(): ModuleWithProviders {
    return {
      ngModule: ViewConfigModule,
      providers: [
        provideConfig({
          view: {},
        }),
        {
          provide: ViewConfig,
          useExisting: Config,
        },
      ],
    };
  }
}

static withConfig(
    config?: StorefrontConfig
  ): ModuleWithProviders {
    return {
      ngModule: StorefrontModule,
      providers: [provideConfig(config)],
    };
  }
}

static withConfig(config?: StorefrontModuleConfig): ModuleWithProviders {
    return {
      ngModule: StorefrontModule,
      providers: [provideConfig(config), ...provideConfigFromMetaTags()],
    };
  }
}

static withConfig(config?: YotpoConfig): ModuleWithProviders {
    return {
      ngModule: VendorModule,
      providers: [provideConfig(config)],
    };
  }
}

static forRoot(): ModuleWithProviders {
    return {
      ngModule: RoutingModule,
      providers: [provideConfig(defaultRoutingConfig)],
    };
  }
}

static withConfig(config?: StorefrontModuleConfig): ModuleWithProviders {
    return {
      ngModule: StorefrontModule,
      providers: [provideConfig(config)]
    };
  }
}