public deregisterConfigurations(configurations: IConfigurationNode[]): void {
this.doDeregisterConfigurations(configurations, properties);
contributionRegistry.registerSchema(resourceLanguageSettingsSchemaId, this.resourceLanguageSettingsSchema);
this._onDidSchemaChange.fire();
this._onDidUpdateConfiguration.fire({ properties });
}
public updateConfigurations({ add, remove }: { add: IConfigurationNode[]; remove: IConfigurationNode[] }): void {