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Edit File: marshal.rbs

# 
# The marshaling library converts collections of Ruby objects into a byte
# stream, allowing them to be stored outside the currently active script. This
# data may subsequently be read and the original objects reconstituted.
#
# Marshaled data has major and minor version numbers stored along with the
# object information. In normal use, marshaling can only load data written with
# the same major version number and an equal or lower minor version number. If
# Ruby's ``verbose'' flag is set (normally using -d, -v, -w, or --verbose) the
# major and minor numbers must match exactly. Marshal versioning is independent
# of Ruby's version numbers. You can extract the version by reading the first
# two bytes of marshaled data.
#
#     str = Marshal.dump("thing")
#     RUBY_VERSION   #=> "1.9.0"
#     str[0].ord     #=> 4
#     str[1].ord     #=> 8
#
# Some objects cannot be dumped: if the objects to be dumped include bindings,
# procedure or method objects, instances of class IO, or singleton objects, a
# TypeError will be raised.
#
# If your class has special serialization needs (for example, if you want to
# serialize in some specific format), or if it contains objects that would
# otherwise not be serializable, you can implement your own serialization
# strategy.
#
# There are two methods of doing this, your object can define either
# marshal_dump and marshal_load or _dump and _load.  marshal_dump will take
# precedence over _dump if both are defined.  marshal_dump may result in smaller
# Marshal strings.
#
# ## Security considerations
#
# By design, Marshal.load can deserialize almost any class loaded into the Ruby
# process. In many cases this can lead to remote code execution if the Marshal
# data is loaded from an untrusted source.
#
# As a result, Marshal.load is not suitable as a general purpose serialization
# format and you should never unmarshal user supplied input or other untrusted
# data.
#
# If you need to deserialize untrusted data, use JSON or another serialization
# format that is only able to load simple, 'primitive' types such as String,
# Array, Hash, etc. Never allow user input to specify arbitrary types to
# deserialize into.
#
# ## marshal_dump and marshal_load
#
# When dumping an object the method marshal_dump will be called. marshal_dump
# must return a result containing the information necessary for marshal_load to
# reconstitute the object.  The result can be any object.
#
# When loading an object dumped using marshal_dump the object is first allocated
# then marshal_load is called with the result from marshal_dump. marshal_load
# must recreate the object from the information in the result.
#
# Example:
#
#     class MyObj
#       def initialize name, version, data
#         @name    = name
#         @version = version
#         @data    = data
#       end
#
#       def marshal_dump
#         [@name, @version]
#       end
#
#       def marshal_load array
#         @name, @version = array
#       end
#     end
#
# ## _dump and _load
#
# Use _dump and _load when you need to allocate the object you're restoring
# yourself.
#
# When dumping an object the instance method _dump is called with an Integer
# which indicates the maximum depth of objects to dump (a value of -1 implies
# that you should disable depth checking).  _dump must return a String
# containing the information necessary to reconstitute the object.
#
# The class method _load should take a String and use it to return an object of
# the same class.
#
# Example:
#
#     class MyObj
#       def initialize name, version, data
#         @name    = name
#         @version = version
#         @data    = data
#       end
#
#       def _dump level
#         [@name, @version].join ':'
#       end
#
#       def self._load args
#         new(*args.split(':'))
#       end
#     end
#
# Since Marshal.dump outputs a string you can have _dump return a Marshal string
# which is Marshal.loaded in _load for complex objects.
#
module Marshal
  # 
  # Serializes obj and all descendant objects. If anIO is specified, the
  # serialized data will be written to it, otherwise the data will be returned as
  # a String. If limit is specified, the traversal of subobjects will be limited
  # to that depth. If limit is negative, no checking of depth will be performed.
  #
  #     class Klass
  #       def initialize(str)
  #         @str = str
  #       end
  #       def say_hello
  #         @str
  #       end
  #     end
  #
  # (produces no output)
  #
  #     o = Klass.new("hello\n")
  #     data = Marshal.dump(o)
  #     obj = Marshal.load(data)
  #     obj.say_hello  #=> "hello\n"
  #
  # Marshal can't dump following objects:
  # *   anonymous Class/Module.
  # *   objects which are related to system (ex: Dir, File::Stat, IO, File, Socket
  #     and so on)
  # *   an instance of MatchData, Data, Method, UnboundMethod, Proc, Thread,
  #     ThreadGroup, Continuation
  # *   objects which define singleton methods
  #
  def self.dump: (untyped obj, untyped port, ?Integer limit) -> untyped
               | (untyped obj, ?Integer limit) -> String

# 
  # Returns the result of converting the serialized data in source into a Ruby
  # object (possibly with associated subordinate objects). source may be either an
  # instance of IO or an object that responds to to_str. If proc is specified,
  # each object will be passed to the proc, as the object is being deserialized.
  #
  # Never pass untrusted data (including user supplied input) to this method.
  # Please see the overview for further details.
  #
  # If the `freeze: true` argument is passed, deserialized object would be deeply
  # frozen. Note that it may lead to more efficient memory usage due to frozen
  # strings deduplication:
  #
  #     serialized = Marshal.dump(['value1', 'value2', 'value1', 'value2'])
  #
  #     deserialized = Marshal.load(serialized)
  #     deserialized.map(&:frozen?)
  #     # => [false, false, false, false]
  #     deserialized.map(&:object_id)
  #     # => [1023900, 1023920, 1023940, 1023960] -- 4 different objects
  #
  #     deserialized = Marshal.load(serialized, freeze: true)
  #     deserialized.map(&:frozen?)
  #     # => [true, true, true, true]
  #     deserialized.map(&:object_id)
  #     # => [1039360, 1039380, 1039360, 1039380] -- only 2 different objects, object_ids repeating
  #
  def self.load: (String | untyped port, ?freeze: boolish) -> untyped
               | [A] (String | untyped port, ^(untyped) -> A, ?freeze: boolish) -> A

# 
  #
  alias self.restore self.load
end

# 
# major version
#
Marshal::MAJOR_VERSION: Integer

# 
# minor version
#
Marshal::MINOR_VERSION: Integer

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