src/vs/workbench/services/workspaces/common/editSessionIdentityService.ts/EditSessionIdentityService/getEditSessionIdentifier
class EditSessionIdentityService:	async getEditSessionIdentifier(workspaceFolder: IWorkspaceFolder, token: CancellationToken): Promise<string | undefined> {
		const { scheme } = workspaceFolder.uri;

		const provider = await this.activateProvider(scheme);
		this._logService.trace(`EditSessionIdentityProvider for scheme ${scheme} available: ${!!provider}`);

		return provider?.getEditSessionIdentifier(workspaceFolder, token);
	}