src/vs/platform/configuration/common/configurationModels.ts/ConfigurationInspectValue/workspaceFolderInspectValue
class ConfigurationInspectValue:	private get workspaceFolderInspectValue(): IInspectValue<V> | null {
		if (this._workspaceFolderInspectValue === undefined) {
			this._workspaceFolderInspectValue = this.folderConfigurationModel ? this.folderConfigurationModel.inspect<V>(this.key, this.overrides.overrideIdentifier) : null;
		}
		return this._workspaceFolderInspectValue;
	}