question: returns the specified warning message , or null . concode_field_sep CompilerConfiguration configuration concode_elem_sep LinkedList warnings concode_elem_sep LinkedList errors concode_field_sep void addError concode_elem_sep void addError concode_elem_sep void addError concode_elem_sep void addError concode_elem_sep Message getLastError concode_elem_sep boolean hasErrors concode_elem_sep Exception getException concode_elem_sep List getWarnings concode_elem_sep int getErrorCount concode_elem_sep List getErrors concode_elem_sep Message getError concode_elem_sep void addFatalError concode_elem_sep CompilerConfiguration getConfiguration concode_elem_sep int getWarningCount concode_elem_sep SyntaxException getSyntaxError concode_elem_sep boolean hasWarnings concode_elem_sep void addCollectorContents concode_elem_sep void addErrorAndContinue concode_elem_sep void addWarning concode_elem_sep void addWarning concode_elem_sep void addWarning concode_elem_sep void addException concode_elem_sep void write concode_elem_sep void write concode_elem_sep void failIfErrors
target: WarningMessage function ( int arg0 ) { if ( arg0 < getWarningCount ( ) ) { return ( WarningMessage ) this . warnings . get ( arg0 ) ; } return null ; }