What is the full form of "SPI" in the Spring 3 type conversion system?

Question

What does the acronym "SPI" stand for in the Spring 3 type conversion API?

Answer 1

SPI=Service Provider Interface. This is the way you define extensions or customizations

Answer 2

FYI, Service Provider Interface is not a Spring framework specific term.

From Wikipedia,

Service Provider Interface (SPI) is an API intended to be implemented or extended by a third party. It can be used to enable framework extension and replaceable components.