src/vs/workbench/contrib/debug/common/debugger.ts/Debugger/substituteVariables
class Debugger:	async substituteVariables(folder: IWorkspaceFolder | undefined, config: IConfig): Promise<IConfig> {
		const substitutedConfig = await this.adapterManager.substituteVariables(this.type, folder, config);
		return await this.configurationResolverService.resolveWithInteractionReplace(folder, substitutedConfig, 'launch', this.variables, substitutedConfig.__configurationTarget);
	}