src/vs/workbench/contrib/debug/browser/debugSession.ts/DebugSession/getLoadedSources
class DebugSession:	async getLoadedSources(): Promise<Source[]> {
		if (!this.raw) {
			return Promise.reject(new Error(localize('noDebugAdapter', "No debugger available, can not send '{0}'", 'getLoadedSources')));
		}

		const response = await this.raw.loadedSources({});
		if (response && response.body && response.body.sources) {
			return response.body.sources.map(src => this.getSource(src));
		} else {
			return [];
		}
	}