Running Neo4j in memory with the same JVM heap as the client's similar to H2?

Neo4j Graph Platform
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1

Can Neo4j be run in memory using the same JVM heap as the client program's similar to H2? I don't want persistent storage so basically no disk writes/reads (essentially it should not ask for a directory to store database files).

Thanks

2

@auditt

describes the System Requirements or which storage is one