GetEnv would get Env variable.

DefaultMaxParts is default for Max kafka topic partitions.

KafkaBrokersEnvKey holds env key, which has value for Kafka brokers.

LabelSelectorEnvKey will have label selector, which will make us work only with objects, which have those labels added.

MaxConcurrentReconcilesEnvKey holds env key, which has value for Maximum parallel reconciliations done.

MaxKafkaTopicsPartitionsEnvKey holds env key, which has value for Kafka topic max partitions.

SchemaRegistryURLEnvKey holds env key, which has value for Schema registry URL.

SlackWebhookURLEnvKey holds env key, which has value for Slack webhook URL.

generic constraint interface.