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

		return this.breakpointModeIdsSet.has(modeId);
	}