Merge "Improve telecom flag dump output." into main

import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.lang.reflect.Method;

import java.util.Arrays;

import java.util.HashSet;

import java.util.List;

import java.util.Locale;

import java.util.Objects;

import java.util.Set;

import java.util.UUID;

                // Look away, a forbidden technique (reflection) is being used to allow us to get

                // all flag configs without having to add them manually to this method.

                Method[] methods = FeatureFlags.class.getMethods();

                int maxLength = Arrays.stream(methods)

                        .map(Method::getName)

                        .map(String::length)

                        .max(Integer::compare)

                        .get();

                String format = "\t%s: %-" + maxLength + "s %s";

                if (methods.length == 0) {

                    pw.println("NONE");

                    return;

                }

                for (Method m : methods) {

                    pw.println(m.getName() + "-> " + m.invoke(mFeatureFlags));

                    String flagEnabled = (Boolean) m.invoke(mFeatureFlags) ? "[✅]": "[❌]";

                    String methodName = m.getName();

                    String camelCaseName = methodName.replaceAll("([a-z])([A-Z]+)", "$1_$2")

                            .toLowerCase(Locale.US);

                    pw.println(String.format(format, flagEnabled, methodName, camelCaseName));

                }

            } catch (Exception e) {

                pw.println("[ERROR]");