src/vs/workbench/contrib/deprecatedExtensionMigrator/browser/deprecatedExtensionMigrator.contribution.ts/DeprecatedExtensionMigratorContribution/getState
class DeprecatedExtensionMigratorContribution:	private async getState(): Promise<State> {
		const jsonStr = await this.storageService.get(this.storageKey, StorageScope.APPLICATION, '');
		if (jsonStr === '') {
			return { disablementLog: [] };
		}
		return JSON.parse(jsonStr) as State;
	}