protected boolean peek(int offset, TokenKind tokenKind) {
		if ((position + offset) >= tokenStream.size()) {
			return false;
		}
		Token nextToken = tokenStream.get(position + offset);
		return (nextToken.getKind() == tokenKind);
	}
Peek at the token at an offset (relative to the current position) - if the token
matches the indicated kind, return true, otherwise return false.

@param offset the offset from the current position to peek at
@param tokenKind the tokenKind to check against
@return true if the token at the specified offset matches the indicated kind, otherwise false
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/job/dsl/Tokens.java