# Package com.holonplatform.datastore.mongo.core.expression

- Interface Summary
  Interface | Description
  --- | ---
  BsonExpression | Expression which represents a `Bson` value.
  BsonFilterExpression | `Bson` filter expression.
  BsonFilterExpression.FilterAggregationPipeline | Filter aggregation pipeline stages.
  BsonProjection<R> | Mongo query projection expression.
  BsonProjection.Builder<R> | Builder.
  BsonQuery | MongoDB query expression.
  BsonQuery.Builder | `BsonQuery` builder.
  BsonQueryDefinition | MongoDB query definition expression.
  BsonQueryDefinition.Builder | Builder
  CollectionName | Mongo collection name expression.
  DocumentValue | Expression which represents a MongoDB `Document` value.
  FieldName | Mongo document field name expression, with dot notation support.
  FieldValue | Expression which represents a MongoDB document field value.
  PropertyBoxValue | Expression which represents a `PropertyBox` value.
  Value<T> | Expression which represents a value which can be bound to a `Property`.

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