src/vs/workbench/contrib/debug/browser/debugSession.ts/DebugSession/getRawSource
class DebugSession:	private getRawSource(uri: URI): DebugProtocol.Source {
		const source = this.getSourceForUri(uri);
		if (source) {
			return source.raw;
		} else {
			const data = Source.getEncodedDebugData(uri);
			return { name: data.name, path: data.path, sourceReference: data.sourceReference };
		}
	}