dropConnection(requestContext) {
    if (!this.enabled) {
      return;
    }

    if (!requestContext.connection.protocol) {
      return;
    }

    if (
      this.currentStats.connections.get(requestContext.connection.protocol) ===
      1
    ) {
      this.currentStats.connections.delete(requestContext.connection.protocol);
    } else {
      this.currentStats.connections.set(
        requestContext.connection.protocol,
        this.currentStats.connections.get(requestContext.connection.protocol) -
          1,
      );
    }
  }
Removes a connection from the statistics

@param {RequestContext} requestContext