public long getLong(DWARFAttribute attribute, long defaultValue) {
		DWARFNumericAttribute attr = getAttribute(attribute, DWARFNumericAttribute.class);
		return (attr != null) ? attr.getValue() : defaultValue;
	}
Returns the value of the requested attribute, or -defaultValue- if the
attribute is missing.

@param attribute {@link DWARFAttribute} id
@param defaultValue value to return if attribute is not present
@return long value, or the defaultValue if attribute not present
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/DIEAggregate.java