return kind == other.kind;
if ( kind != other.kind) return false; if (locationOfKaBoom == other.locationOfKaBoom) return true; if (locationOfKaBoom == null || other.locationOfKaBoom == null) return false; return locationOfKaBoom.equals(other.locationOfKaBoom);
	public boolean equals(Object o) {		if (o == null || this.getClass() != o.getClass())			return false;		IsNullValue other = (IsNullValue) o;		return kind == other.kind;	}