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Status

Current state:  "Under Discussion" Adopted

Discussion thread: here 

JIRA: here 

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    val listPrincipalsOpt = parser.accepts("principal", "List ACLs for the specified principal. principal is in principalType:name format." +
      " Note that principalType must be supported by the Authorizer being used. Multiple principal options can be passed.")
      .withOptionalArg()
      .describedAs("principal")
      .ofType(classOf[String])

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Currently AdminClient API doesn't have a API to fetch acls for a given principal.
So while using AclCommand with AdminClient API (KIP-332: Update AclCommand to use AdminClient API),
we just filter the results returned from the describeAcls API.

We can add new AdminClient API/new DescribeAclsRequest if required in future.

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