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//opt/redis-8/src/commands/object-freq.json

 {
    "FREQ": {
        "summary": "Returns the logarithmic access frequency counter of a Redis object.",
        "complexity": "O(1)",
        "group": "generic",
        "since": "4.0.0",
        "arity": 3,
        "container": "OBJECT",
        "function": "objectCommand",
        "command_flags": [
            "READONLY"
        ],
        "acl_categories": [
            "KEYSPACE"
        ],
        "command_tips": [
            "NONDETERMINISTIC_OUTPUT"
        ],
        "key_specs": [
            {
                "flags": [
                    "RO"
                ],
                "begin_search": {
                    "index": {
                        "pos": 2
                    }
                },
                "find_keys": {
                    "range": {
                        "lastkey": 0,
                        "step": 1,
                        "limit": 0
                    }
                }
            }
        ],
        "arguments": [
            {
                "name": "key",
                "type": "key",
                "key_spec_index": 0
            }
        ],
        "reply_schema": {
            "description": "the counter's value",
            "type": "integer"
        }
    }
}