Aggregation
Query.window(stream.nebula.operators.window.WindowDefinition)
Expression
Query.filter(stream.nebula.expression.LogicalExpression)
Query.project(stream.nebula.expression.FieldExpression...)
Query.map(java.lang.String, stream.nebula.expression.Expression)
Operator
Query
Sink
WindowDefinition
Query.joinWith(stream.nebula.runtime.Query)