87 def validator(current, pick, choices):  argument
97 def int_validator(current, intervals):  argument
105 def bit_validator(current, bit_ranges):  argument
113 def bytes_validator(current, sequences):  argument
121 def selector(current, constraints, validate=int_validator):  argument
152 def magic(current):  argument
161 def version(current):  argument
170 def backing_file_offset(current):  argument
176 def backing_file_size(current):  argument
182 def cluster_bits(current):  argument
191 def size(current):  argument
197 def crypt_method(current):  argument
206 def l1_size(current):  argument
212 def l1_table_offset(current):  argument
218 def refcount_table_offset(current):  argument
224 def refcount_table_clusters(current):  argument
230 def nb_snapshots(current):  argument
236 def snapshots_offset(current):  argument
242 def incompatible_features(current):  argument
251 def compatible_features(current):  argument
259 def autoclear_features(current):  argument
267 def refcount_order(current):  argument
273 def header_length(current):  argument
283 def bf_name(current):  argument
291 def ext_magic(current):  argument
297 def ext_length(current):  argument
303 def bf_format(current):  argument
312 def feature_type(current):  argument
318 def feature_bit_number(current):  argument
324 def feature_name(current):  argument
333 def l1_entry(current):  argument
344 def l2_entry(current):  argument
359 def refcount_table_entry(current):  argument
365 def refcount_block_entry(current):  argument