applicationId method Null safety

LDConfigBuilder applicationId(
  1. String applicationId

A unique identifier representing the application where the LaunchDarkly SDK is running.

This can be specified as any string value as long as it only uses the following characters: ASCII letters, ASCII digits, period, hyphen, underscore. A string containing any other characters will be ignored.

Example: 'authentication-service'


LDConfigBuilder applicationId(String applicationId) {
  this._applicationId = applicationId;
  return this;