build/lib/mangleTypeScript.ts/ClassData/lookupShortName
class ClassData:	lookupShortName(name: string): string {
		let value = this.replacements!.get(name)!;
		let parent = this.parent;
		while (parent) {
			if (parent.replacements!.has(name) && parent.fields.get(name)?.type === FieldType.Protected) {
				value = parent.replacements!.get(name)! ?? value;
			}
			parent = parent.parent;
		}
		return value;
	}