{
    "ARINFO": {
        "summary": "Returns metadata about an array.",
        "complexity": "O(1), or O(N) with FULL option where N is the number of slices.",
        "group": "array",
        "since": "8.8.0",
        "arity": -2,
        "function": "arinfoCommand",
        "command_flags": [
            "READONLY"
        ],
        "acl_categories": [
            "ARRAY"
        ],
        "key_specs": [
            {
                "flags": [
                    "RO",
                    "ACCESS"
                ],
                "begin_search": {
                    "index": {
                        "pos": 1
                    }
                },
                "find_keys": {
                    "range": {
                        "lastkey": 0,
                        "step": 1,
                        "limit": 0
                    }
                }
            }
        ],
        "reply_schema": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "count": {
                    "type": "integer",
                    "description": "Total number of non-empty elements."
                },
                "len": {
                    "type": "integer",
                    "description": "Logical length (highest index + 1)."
                },
                "next-insert-index": {
                    "type": "integer",
                    "description": "Index the next ARINSERT would use, or 0 if unset/exhausted."
                },
                "slices": {
                    "type": "integer",
                    "description": "Number of allocated slices."
                },
                "directory-size": {
                    "type": "integer",
                    "description": "Directory allocation capacity (flat dir_alloc or superdir sdir_cap)."
                },
                "super-dir-entries": {
                    "type": "integer",
                    "description": "Number of super-directory entries (0 if not in superdir mode)."
                },
                "slice-size": {
                    "type": "integer",
                    "description": "Configured slice size."
                },
                "dense-slices": {
                    "type": "integer",
                    "description": "Number of dense slices (FULL only)."
                },
                "sparse-slices": {
                    "type": "integer",
                    "description": "Number of sparse slices (FULL only)."
                },
                "avg-dense-size": {
                    "type": "number",
                    "description": "Average allocation size of dense slices (FULL only)."
                },
                "avg-dense-fill": {
                    "type": "number",
                    "description": "Average fill rate of dense slices (FULL only)."
                },
                "avg-sparse-size": {
                    "type": "number",
                    "description": "Average capacity of sparse slices (FULL only)."
                }
            }
        },
        "arguments": [
            {
                "name": "key",
                "type": "key",
                "key_spec_index": 0
            },
            {
                "name": "full",
                "type": "pure-token",
                "token": "FULL",
                "optional": true
            }
        ]
    }
}
