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.views;
  
  import au.csiro.pathling.views.validation.ValidName;
  import jakarta.annotation.Nonnull;
  import jakarta.validation.constraints.NotNull;
  import lombok.AllArgsConstructor;
  import lombok.Data;
  import lombok.NoArgsConstructor;
  import org.hl7.fhir.instance.model.api.IBase;
  
  /**
   * Constant that can be used in FHIRPath expressions.
   * <p>
   * A constant is a string that is injected into a FHIRPath expression through the use of a FHIRPath
   * external constant with the same name.
   *
   * @author John Grimes
   * @see <a
   * href="https://sql-on-fhir.org/ig/2.0.0/StructureDefinition-ViewDefinition-definitions.html#diff_ViewDefinition.constant">ViewDefinition.constant</a>
   */
  @Data
  @AllArgsConstructor
  @NoArgsConstructor
  public class ConstantDeclaration {
  
    /**
     * Name of constant (referred to in FHIRPath as {@code %[name]}).
     *
     * @see <a
     * href="https://sql-on-fhir.org/ig/2.0.0/StructureDefinition-ViewDefinition-definitions.html#diff_ViewDefinition.constant.name">ViewDefinition.constant.name</a>
     */
    @Nonnull
    @NotNull
    @ValidName
    String name;
  
    /**
     * The string that will be substituted in place of the constant reference.
     *
     * @see <a
     * href="https://sql-on-fhir.org/ig/2.0.0/StructureDefinition-ViewDefinition-definitions.html#diff_ViewDefinition.constant.value">ViewDefinition.constant.value</a>
     */
    @Nonnull
    @NotNull
    IBase value;
  
  }
  