package org.eclipse.tracecompass.tmf.core.event.lookup;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
/**
* The generic call site structure in TMF. A call site has:
*
* @return the file name
*/
- String getFileName();
+ @NonNull String getFileName();
/**
* Returns the function name of the call site.
*
* @return the function name or null
*/
- String getFunctionName();
+ @Nullable String getFunctionName();
/**
* Returns the line number of the call site.