UpstreamTypeLookup (org.eclipse.xtend.lib.macro 2.30.0 API)

All Known Subinterfaces:

RegisterGlobalsContext
```
@Beta
public interface UpstreamTypeLookup
```
Facilities to lookup of Java type declarations in upstream dependencies of the current CompilationUnit. This means that types defined in the same project will not be found.

Since:

2.7

Noimplement:

This interface is not intended to be implemented by clients.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Type`	`findUpstreamType(java.lang.Class<?> clazz)`
`Type`	`findUpstreamType(java.lang.String typeName)`

- Method Detail
  - findUpstreamType
```
Type findUpstreamType(java.lang.Class<?> clazz)
```
    Parameters:
    
    clazz - the clazz representing the type to look up
    
    Returns:
    
    the type with the same qualified name as the given Class object, or null if that type couldn't be found on the compilation unit's upstream dependencies.
  - findUpstreamType
```
Type findUpstreamType(java.lang.String typeName)
```
    Parameters:
    
    typeName - the qualified name of the type to look up. Nested class delimiter is expected to be the '.' (dot).
    
    Returns:
    
    the type with the given qualified name, or null if such a type couldn't be found on the compilation unit's upstream dependencies.