<template>
    <text>
        count: {{count}}
    </text>
</template>

<script setup>
    const count = ref(0)
    function getCount() : number {
        return count.value
    }
    function setCount(newCount : number) {
        count.value = newCount * 2
    }
    defineExpose({
        count,
        getCount,
        setCount
    })
</script>