text: from typing import Any, List, Literal, TypedDict
  
  from .FHIR_Element import FHIR_Element
  from .FHIR_id import FHIR_id
  from .FHIR_string import FHIR_string
  from .FHIR_uri import FHIR_uri
  
  # A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used.
  FHIR_Expression = TypedDict(
      "FHIR_Expression",
      {
          # Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.
          "id": FHIR_string,
          # May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
          "extension": List[Any],
          # A brief, natural language description of the condition that effectively communicates the intended semantics.
          "description": FHIR_string,
          # Extensions for description
          "_description": FHIR_Element,
          # A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined.
          "name": FHIR_id,
          # Extensions for name
          "_name": FHIR_Element,
          # The media type of the language for the expression.
          "language": Literal["text/cql", "text/fhirpath", "application/x-fhir-query"],
          # Extensions for language
          "_language": FHIR_Element,
          # An expression in the specified language that returns a value.
          "expression": FHIR_string,
          # Extensions for expression
          "_expression": FHIR_Element,
          # A URI that defines where the expression is found.
          "reference": FHIR_uri,
          # Extensions for reference
          "_reference": FHIR_Element,
      },
      total=False,
  )
  