message: Do not use default
diff: @@ -15,7 +15,7 @@ limitations under the License.
  */
  /* eslint-disable max-classes-per-file, @typescript-eslint/no-empty-function */
  -import { Gauge, Counter, Histogram, default as promClient } from "prom-client";
  +import { Gauge, Counter, Histogram, collectDefaultMetrics, register } from "prom-client";
  import { Log } from "./log";
  import { Appservice,
  IMetricContext,
  @@ -69,15 +69,16 @@ export class PrometheusBridgeMetrics implements IBridgeMetrics {
  private httpServer: http.Server;
  public init(as: Appservice, config: DiscordBridgeConfigMetrics) {
  - promClient.collectDefaultMetrics();
  + collectDefaultMetrics();
  // TODO: Bind this for every user.
  this.httpServer = http.createServer((req, res) => {
  if (req.method !== "GET" || req.url !== "/metrics") {
  res.writeHead(404, "Not found");
  res.end();
  + return;
  }
  - res.writeHead(200, "OK", {"Content-Type": promClient.register.contentType});
  - res.write(promClient.register.metrics());
  + res.writeHead(200, "OK", {"Content-Type": register.contentType});
  + res.write(register.metrics());
  res.end();
  });
  this.matrixCallCounter = new Counter({
  @@ -85,41 +86,41 @@ export class PrometheusBridgeMetrics implements IBridgeMetrics {
  labelNames: ["method", "result"],
  name: "matrix_api_calls",
  });
  - promClient.register.registerMetric(this.matrixCallCounter);
  + register.registerMetric(this.matrixCallCounter);
  this.remoteCallCounter = new Counter({
  help: "Count of remote API calls made",
  labelNames: ["method"],
  name: "remote_api_calls",
  });
  - promClient.register.registerMetric(this.remoteCallCounter);
  + register.registerMetric(this.remoteCallCounter);
  this.storeCallCounter = new Counter({
  help: "Count of store function calls made",
  labelNames: ["method", "cached"],
  name: "store_calls",
  });
  - promClient.register.registerMetric(this.storeCallCounter);
  + register.registerMetric(this.storeCallCounter);
  this.presenceGauge = new Gauge({
  help: "Count of users in the presence queue",
  name: "active_presence_users",
  });
  - promClient.register.registerMetric(this.presenceGauge);
  + register.registerMetric(this.presenceGauge);
  this.matrixRequest = new Histogram({
  help: "Histogram of processing durations of received Matrix messages",
  labelNames: ["outcome"],
  name: "matrix_request_seconds",
  });
  - promClient.register.registerMetric(this.matrixRequest);
  + register.registerMetric(this.matrixRequest);
  this.remoteRequest = new Histogram({
  help: "Histogram of processing durations of received remote messages",
  labelNames: ["outcome"],
  name: "remote_request_seconds",
  });
  - promClient.register.registerMetric(this.remoteRequest);
  + register.registerMetric(this.remoteRequest);
  this.requestsInFlight = new Map();
  setInterval(() => {
  