src/vs/platform/configuration/common/configurationModels.ts/ConfigurationModelParser/toOverrides
class ConfigurationModelParser:	private toOverrides(raw: any, conflictReporter: (message: string) => void): IOverrides[] {
		const overrides: IOverrides[] = [];
		for (const key of Object.keys(raw)) {
			if (OVERRIDE_PROPERTY_REGEX.test(key)) {
				const overrideRaw: any = {};
				for (const keyInOverrideRaw in raw[key]) {
					overrideRaw[keyInOverrideRaw] = raw[key][keyInOverrideRaw];
				}
				overrides.push({
					identifiers: overrideIdentifiersFromKey(key),
					keys: Object.keys(overrideRaw),
					contents: toValuesTree(overrideRaw, conflictReporter)
				});
			}
		}
		return overrides;
	}