How to migrate rewrite rule from EAP 6 to EAP 7 using migration tool?

Issue

• How to migrate rewrite rule from EAP 6 to EAP 7 using migration tool?
• Getting warning messages while migrating rewrite from EAP 6 to EAP7:

18:26:46,120 INFO  [org.jboss.migration.core.task.ServerMigrationTask#268] (main) Subsystem config /subsystem=web migrated with warnings: [WFLYWEB0002: Could not migrate resource {
    "pattern" => ".*",
    "substitution" => "-",
    "flags" => "gone",
    "operation" => "add",
    "address" => [
        ("subsystem" => "web"),
        ("virtual-server" => "default-host"),
        ("rewrite" => "rule-1")
    ]
},
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