question: return the memory footprint of this class in bytes . concode_field_sep int emptyVal concode_elem_sep int[] keys concode_elem_sep int rehashCount concode_elem_sep int count concode_field_sep int getSlot concode_elem_sep int size concode_elem_sep int find concode_elem_sep void clear concode_elem_sep boolean exists concode_elem_sep void rehash concode_elem_sep int hash concode_elem_sep int put
target: long function ( ) { return RamUsageEstimator . alignObjectSize ( Integer . BYTES * 3 + RamUsageEstimator . NUM_BYTES_OBJECT_REF ) + RamUsageEstimator . sizeOf ( keys ) ; }