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diff --git a/antlr-3.4/runtime/ObjC/ANTLR.framework/Headers/ANTLRTokenStream.h b/antlr-3.4/runtime/ObjC/ANTLR.framework/Headers/ANTLRTokenStream.h
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+++ b/antlr-3.4/runtime/ObjC/ANTLR.framework/Headers/ANTLRTokenStream.h
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+// [The "BSD licence"]
+// Copyright (c) 2006-2007 Kay Roepke 2010 Alan Condit
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+// 3. The name of the author may not be used to endorse or promote products
+//    derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+#import "ANTLRIntStream.h"
+#import "ANTLRToken.h"
+
+@protocol ANTLRTokenStream < ANTLRIntStream >
+
+// Get Token at current input pointer + i ahead where i=1 is next Token.
+// i<0 indicates tokens in the past.  So -1 is previous token and -2 is
+// two tokens ago. LT:0 is undefined.  For i>=n, return Token.EOFToken.
+// Return null for LT:0 and any index that results in an absolute address
+// that is negative.
+
+- (id<ANTLRToken>) LT:(NSInteger) i;
+
+- (id<ANTLRToken>) getToken:(NSUInteger) i;
+
+- (id) getTokenSource;
+
+- (NSString *) toString;
+/** Return the text of all tokens from start to stop, inclusive.
+ *  If the stream does not buffer all the tokens then it can just
+ *  return "" or null;  Users should not access $ruleLabel.text in
+ *  an action of course in that case.
+ */
+- (NSString *)toStringFromStart:(NSInteger)startIdx ToEnd:(NSInteger)stopIdx;
+
+/** Because the user is not required to use a token with an index stored
+ *  in it, we must provide a means for two token objects themselves to
+ *  indicate the start/end location.  Most often this will just delegate
+ *  to the other toString(int,int).  This is also parallel with
+ *  the TreeNodeStream.toString(Object,Object).
+ */
+- (NSString *) toStringFromToken:(id<ANTLRToken>)startToken ToToken:(id<ANTLRToken>)stopToken;
+
+
+@end