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Affected components:

• org/apache/kafka/common

The provider will expose a configuration to restrict the environment variables accessing by the provider.

Name: allowlist.pattern
Type: String
Documentation: A pattern / regular expression that needs to match for environment variables to be used by this config provider
Default: .*

Proposed Changes

A class EnvVarConfigProvider implementing the ConfigProvider interface will be added. Core functionality is to provide the map returned by System.getEnv() via the get methods of the ConfigProvider.

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