| Name | Description | Type | Package | Framework |
| FlowVariableProvider | Provides access to flow variables. | Interface | org.knime.base.util.flowvariable | KNIME |
| FlowVariableResolver | Used to parse the a script containing flow and workflow variables. | Class | org.knime.base.util.flowvariable | KNIME |
| FlowVariableResolver .FlowVariableEscaper | Reads the actual value from the FlowVariableResolver and returns their string representation. | Class | org.knime.base.util.flowvariable | KNIME |