AnalyzeCallee analyzes a function that is a candidate for inlining and returns a Callee that describes it.

Inline inlines the called function (callee) into the function call (caller) and returns the updated, formatted content of the caller source file.

A Callee holds information about an inlinable function.

A Caller describes the function call and its enclosing context.

Options specifies parameters affecting the inliner algorithm.

Result holds the result of code transformation.