'Detect query type( query, mutation, subscription) in graphql-java

Is there a way to detect the query type query , mutation or subscription , preferably without executing the query.

For example:

ExecutionInput executionInput = ExecutionInput
    .newExecutionInput()
    .query("subscription Test{test}")
    .build();

Is it possible to detect that this is a subscription request? subscription Test{test} without executing the query?

Something like executionInput.isSubscription()

java graphql-java

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