element1: { name: "property1", value: "value1", defaultValue: "defaultvalue1", usingDefaultValue: true, type: "String/Enum/Int/Long }

computed: {
     ...mapMultiRowFields(`elementsStore`, ["elements"])
  },

<v-layout v-for="element in elements" :key="element.name">
    <element-list-item :element="element"></element-list-item>
  </v-layout>

<v-text-field
    v-model="element.useDefaultValue ? element.defaultValue : element.value"
</v-text-field>

error: 'v-model' directives require the attribute value which is valid as LHS (vue/valid-v-model)