src/vs/workbench/contrib/debug/browser/debugAdapterManager.ts/AdapterManager/canSetBreakpointsIn
class AdapterManager:	canSetBreakpointsIn(model: ITextModel): boolean {
		const languageId = model.getLanguageId();
		if (!languageId || languageId === 'jsonc' || languageId === 'log') {
			// do not allow breakpoints in our settings files and output
			return false;
		}
		if (this.configurationService.getValue<IDebugConfiguration>('debug').allowBreakpointsEverywhere) {
			return true;
		}

		return this.breakpointLanguageIdsSet.has(languageId);
	}