mysql = {
  profile = "slick.jdbc.MySQLProfile$"
  dataSourceClass = "com.mysql.cj.jdbc.MysqlDataSource"
  driver = "com.mysql.cj.jdbc.Driver"
  url = "jdbc:mysql://localhost:3306/foo"
  user = "foo"
  password = "bar"
  properties {
  }
  numThreads = 4
  minConnections = 4
  maxConnections = 4
  registerMbeans = true
  connectionTimeout = 20000
  isolation = "READ_COMMITTED"
  poolName = "foo"
  readOnly = false
}

mysql = {
  profile = "slick.jdbc.MySQLProfile$"
  dataSourceClass = "com.mysql.cj.jdbc.MysqlDataSource"
  driver = "com.mysql.cj.jdbc.Driver"
  url = "jdbc:mysql://localhost:3306/foo"
  user = "foo"
  password = "bar"
  properties {
    prepStmtCacheSize = 20
  }
  numThreads = 4
  minConnections = 4
  maxConnections = 4
  registerMbeans = true
  connectionTimeout = 20000
  isolation = "READ_COMMITTED"
  poolName = "foo"
  readOnly = false
}

[error] (run-main-0) java.lang.RuntimeException: Property prepStmtCacheSize does not exist on target class com.mysql.cj.jdbc.MysqlDataSource
[error] java.lang.RuntimeException: Property prepStmtCacheSize does not exist on target class com.mysql.cj.jdbc.MysqlDataSource
[error]         at com.zaxxer.hikari.util.PropertyElf.setProperty(PropertyElf.java:131)
[error]         at com.zaxxer.hikari.util.PropertyElf.lambda$setTargetFromProperties$0(PropertyElf.java:57)