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public void $(String expression) { expressions.add(new SimpleExpression(expression)); } public void optional(String expression) { expressions.add(new GraphExpression(GraphExpressionType.OPTIONAL, expression)); }
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expressions.add(new GraphExpression(GraphExpressionType.OPTIONAL, expression)); } public void filter(String expression) { expressions.add(new GraphExpression(GraphExpressionType.FILTER, expression)); }