question: extracts the log2 registercount from the parameters byte of a serialized hlltype #full hll . concode_field_sep int REGISTER_WIDTH_BITS concode_elem_sep int REGISTER_WIDTH_MASK concode_elem_sep int LOG2_REGISTER_COUNT_BITS concode_elem_sep int EXPLICIT_CUTOFF_MASK concode_elem_sep int LOG2_REGISTER_COUNT_MASK concode_elem_sep ISchemaVersion DEFAULT_SCHEMA_VERSION concode_elem_sep int NIBBLE_MASK concode_elem_sep int EXPLICIT_CUTOFF_BITS concode_elem_sep ISchemaVersion VERSION_ONE concode_elem_sep ISchemaVersion[] REGISTERED_SCHEMA_VERSIONS concode_elem_sep int NIBBLE_BITS concode_field_sep byte packVersionByte concode_elem_sep byte packCutoffByte concode_elem_sep int typeOrdinal concode_elem_sep ISchemaVersion getSchemaVersion concode_elem_sep ISchemaVersion getSchemaVersion concode_elem_sep int registerWidth concode_elem_sep int schemaVersion concode_elem_sep boolean sparseEnabled concode_elem_sep byte packParametersByte concode_elem_sep int explicitCutoff
target: int function ( final byte arg0 ) { return ( arg0 & LOG2_REGISTER_COUNT_MASK ) ; }