data class MetricDescriptorLabelArgs(val description: Output<String>? = null, val key: Output<String>, val valueType: Output<String>? = null) : ConvertibleToJava<MetricDescriptorLabelArgs>
The key for this label. The key must not exceed 100 characters. The first character of the key must be an upper- or lower-case letter, the remaining characters must be letters, digits or underscores, and the key must match the regular expression a-zA-Z0-9_*