Bean definitions can specify zero or more constructor arguments.
	This is an alternative to "autowire constructor".
	Arguments correspond to either a specific index of the constructor
	argument list or are supposed to be matched generically by type.

	Note: A single generic argument value will just be used once, rather
	than potentially matched multiple times (as of Spring 1.1).

	constructor-arg elements are also used in conjunction with the
	factory-method element to construct beans using static or instance
	factory methods.

The exact index of the argument in the constructor argument list.
Only needed to avoid ambiguities, e.g. in case of 2 arguments of
the exact same type.

The exact type of the constructor argument. Only needed to avoid
ambiguities, e.g. in case of 2 single argument constructors
that can both be converted from a String.

The exact name of the argument in the constructor argument list.
Only needed to avoid ambiguities, e.g. in case of 2 arguments of
the exact same type. Note: This requires debug symbols to be
stored in the class file in order to introspect argument names!

A short-cut alternative to a nested "<ref bean='...'/>" element.

A short-cut alternative to a nested "<value>...<value/>" element.