content: /*
   * Copyright © 2018-2025 Commonwealth Scientific and Industrial Research
   * Organisation (CSIRO) ABN 41 687 119 230.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package au.csiro.pathling.fhirpath.definition;
  
  import jakarta.annotation.Nonnull;
  import java.util.Optional;
  import org.hl7.fhir.r4.model.Enumerations.FHIRDefinedType;
  
  /**
   * Represents a definition of a FHIR-like element.
   */
  public interface ElementDefinition extends ChildDefinition {
  
    /**
     * @return the name of this element
     */
    @Nonnull
    String getElementName();
  
    /**
     * @return The {@link FHIRDefinedType} that corresponds to the type of this element. Not all
     * elements have a type, e.g. polymorphic elements.
     */
    @Nonnull
    Optional<FHIRDefinedType> getFhirType();
    
    /**
     * @return true if this element is a choice element, false otherwise
     */
    default boolean isChoiceElement() {
      return false;
    }
  }
  