func (a *Attribute) Key() string {
	return (*object.Attribute)(a).GetKey()
}
Key returns key to the object attribute.
package object
import (
	"github.com/nspcc-dev/neofs-api-go/v2/object"
)
type Attribute object.Attribute
func NewAttributeFromV2(aV2 *object.Attribute) *Attribute {
	return (*Attribute)(aV2)
}
func NewAttribute() *Attribute {
	return NewAttributeFromV2(new(object.Attribute))
}