The D-Bus introspection format is an XML document describing the interfaces implemented by a particular
object, including the methods and signals of that interface along with their arguments and the properties
of that interface.
A single document describes a single object, represented by the root <node> tag. Interfaces implemented
by that object are specified by <interface> tags within it. Methods, signals and properties defined by
the interface are described by <method>, <signal> and <property> tags within the interface. Arguments to
methods and signals are defined by <arg> tags within them. Names and other values are specified as
attributes to the tag.
Additional properties for external tools or software may be given in <annotation> tags. These may appear
within interfaces, methods, signals, properties and arguments. nih-dbus-tool makes use of many of these.
Notethatargumentannotationsareannih-dbus-toolextensiontotheformat.nih-dbus-tool's parser is reasonably liberal, to allow for future expansion of the D-Bus introspection
format. Any unknown tag, attribute or annotation, or any tag not in an expected location, will be
ignored with a warning. However a missing root node tag, missing attributes, illegal or invalid format
values for defined attributes or non well-formed XML will result in an error.
Character data and comments are not considered part of description, and are not parsed.
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