"zu haben" meaning in German

{
  "head_templates": [
    {
      "args": {
        "1": "predonly"
      },
      "expansion": "zu haben (indeclinable, predicative only)",
      "name": "de-adj"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "German entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "—Entschuldigen Sie, ist dieses Gemälde noch zu haben?\n—Nein, es ist leider schon verkauft.\n—Excuse me, is this painting still available/for sale?\n—No, I’m afraid it’s already been sold.",
          "type": "example"
        },
        {
          "english": "But you’re a good-looking young man; I don’t understand why you’re still available/single!",
          "text": "Du bist doch ein gut aussehender junger Mann, ich verstehe nicht, warum du noch zu haben bist!",
          "type": "example"
        }
      ],
      "glosses": [
        "available"
      ],
      "id": "en-zu_haben-de-adj-3dmBirrP",
      "links": [
        [
          "available",
          "available"
        ]
      ],
      "tags": [
        "indeclinable",
        "predicative"
      ]
    }
  ],
  "word": "zu haben"
}

{
  "head_templates": [
    {
      "args": {
        "1": "predonly"
      },
      "expansion": "zu haben (indeclinable, predicative only)",
      "name": "de-adj"
    }
  ],
  "lang": "German",
  "lang_code": "de",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "German adjectives",
        "German entries with incorrect language header",
        "German lemmas",
        "German multiword terms",
        "German terms with usage examples",
        "German uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "—Entschuldigen Sie, ist dieses Gemälde noch zu haben?\n—Nein, es ist leider schon verkauft.\n—Excuse me, is this painting still available/for sale?\n—No, I’m afraid it’s already been sold.",
          "type": "example"
        },
        {
          "english": "But you’re a good-looking young man; I don’t understand why you’re still available/single!",
          "text": "Du bist doch ein gut aussehender junger Mann, ich verstehe nicht, warum du noch zu haben bist!",
          "type": "example"
        }
      ],
      "glosses": [
        "available"
      ],
      "links": [
        [
          "available",
          "available"
        ]
      ],
      "tags": [
        "indeclinable",
        "predicative"
      ]
    }
  ],
  "word": "zu haben"
}