Service for mapping debugger paths to host paths.  This service is needed
 * primarily by other services that need to access source-path mappings, such
 * as the breakpoints service.  For UI components, the platform source lookup
 * interfaces could be sufficient.
Service for mapping debugger paths to host paths.  This service is needed
 * primarily by other services that need to access source-path mappings, such
 * as the breakpoints service.  For UI components, the platform source lookup
 * interfaces could be sufficient. | ISourceLookup.java