[domain@localhost:9990 /] /core-service=management/access=authorization/role-mapping=Maintainer:add()
{
    "outcome" => "failed",
    "result" => undefined,
    "failure-description" => {"WFLYDC0074: Operation failed or was rolled back on all servers. Server failures:" => {"server-group" => {"main-server-group" => {"host" => {"master" => {
        "server-one" => "WFLYCTL0216: Management resource '[
    (\"core-service\" => \"management\"),
    (\"access\" => \"authorization\"),
    (\"role-mapping\" => \"Maintainer\")
]' not found",
        "server-two" => "WFLYCTL0216: Management resource '[
    (\"core-service\" => \"management\"),
    (\"access\" => \"authorization\"),
    (\"role-mapping\" => \"Maintainer\")
]' not found"
    }}}}}},
    "rolled-back" => true,
    "server-groups" => {"main-server-group" => {"host" => {"master" => {
        "server-one" => {"response" => {
            "outcome" => "failed",
            "failure-description" => "WFLYCTL0216: Management resource '[
    (\"core-service\" => \"management\"),
    (\"access\" => \"authorization\"),
    (\"role-mapping\" => \"Maintainer\")
]' not found",
            "rolled-back" => true
        }},
        "server-two" => {"response" => {
            "outcome" => "failed",
            "failure-description" => "WFLYCTL0216: Management resource '[
    (\"core-service\" => \"management\"),
    (\"access\" => \"authorization\"),
    (\"role-mapping\" => \"Maintainer\")
]' not found",
            "rolled-back" => true
        }}
    }}}}
}