CodeQL library for Java
codeql/java-all 0.3.3 (changelog, source)
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Predicate deltaClosed

Holds if there is a state q that can be reached from q1 along epsilon edges, such that there is a transition from q to q2 that consumes symbol s.

Import path

import semmle.code.java.security.performance.ReDoSUtil
predicate deltaClosed(State q1, InputSymbol s, State q2)