text: /**
   * @name exports
   * @summary Linkage Class
   */
  module.exports = class Linkage {
    constructor(opts) {
      // Create an object to store all props
      Object.defineProperty(this, '__data', { value: {} });
  
      // Define getters and setters as enumerable
  
      Object.defineProperty(this, '_id', {
        enumerable: true,
        get: () => this.__data._id,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          let Element = require('./element.js');
          this.__data._id = new Element(value);
        },
      });
  
      Object.defineProperty(this, 'id', {
        enumerable: true,
        get: () => this.__data.id,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          this.__data.id = value;
        },
      });
  
      Object.defineProperty(this, 'meta', {
        enumerable: true,
        get: () => this.__data.meta,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          let Meta = require('./meta.js');
          this.__data.meta = new Meta(value);
        },
      });
  
      Object.defineProperty(this, '_implicitRules', {
        enumerable: true,
        get: () => this.__data._implicitRules,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          let Element = require('./element.js');
          this.__data._implicitRules = new Element(value);
        },
      });
  
      Object.defineProperty(this, 'implicitRules', {
        enumerable: true,
        get: () => this.__data.implicitRules,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          this.__data.implicitRules = value;
        },
      });
  
      Object.defineProperty(this, '_language', {
        enumerable: true,
        get: () => this.__data._language,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          let Element = require('./element.js');
          this.__data._language = new Element(value);
        },
      });
      // valueSetReference: http://hl7.org/fhir/ValueSet/languages
      Object.defineProperty(this, 'language', {
        enumerable: true,
        get: () => this.__data.language,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          this.__data.language = value;
        },
      });
  
      Object.defineProperty(this, 'text', {
        enumerable: true,
        get: () => this.__data.text,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          let Narrative = require('./narrative.js');
          this.__data.text = new Narrative(value);
        },
      });
  
      Object.defineProperty(this, 'contained', {
        enumerable: true,
        get: () => this.__data.contained,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          this.__data.contained = Array.isArray(value) ? value.map((v) => v) : [value];
        },
      });
  
      Object.defineProperty(this, 'extension', {
        enumerable: true,
        get: () => this.__data.extension,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          let Extension = require('./extension.js');
          this.__data.extension = Array.isArray(value)
            ? value.map((v) => new Extension(v))
            : [new Extension(value)];
        },
      });
  
      Object.defineProperty(this, 'modifierExtension', {
        enumerable: true,
        get: () => this.__data.modifierExtension,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          let Extension = require('./extension.js');
          this.__data.modifierExtension = Array.isArray(value)
            ? value.map((v) => new Extension(v))
            : [new Extension(value)];
        },
      });
  
      Object.defineProperty(this, '_active', {
        enumerable: true,
        get: () => this.__data._active,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          let Element = require('./element.js');
          this.__data._active = new Element(value);
        },
      });
  
      Object.defineProperty(this, 'active', {
        enumerable: true,
        get: () => this.__data.active,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          this.__data.active = value;
        },
      });
  
      Object.defineProperty(this, 'author', {
        enumerable: true,
        get: () => this.__data.author,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          let Reference = require('./reference.js');
          this.__data.author = new Reference(value);
        },
      });
  
      Object.defineProperty(this, 'item', {
        enumerable: true,
        get: () => this.__data.item,
        set: (value) => {
          if (value === undefined || value === null) {
            return;
          }
  
          let LinkageItem = require('./linkageitem.js');
          this.__data.item = Array.isArray(value)
            ? value.map((v) => new LinkageItem(v))
            : [new LinkageItem(value)];
        },
      });
  
      // Merge in any defaults
      Object.assign(this, opts);
  
      // Define a default non-writable resourceType property
      Object.defineProperty(this, 'resourceType', {
        value: 'Linkage',
        enumerable: true,
        writable: false,
      });
    }
  
    static get resourceType() {
      return 'Linkage';
    }
  
    toJSON() {
      return {
        resourceType: this.resourceType,
        id: this.id,
        meta: this.meta && this.meta.toJSON(),
        _implicitRules: this._implicitRules && this._implicitRules.toJSON(),
        implicitRules: this.implicitRules,
        _language: this._language && this._language.toJSON(),
        language: this.language,
        text: this.text && this.text.toJSON(),
        contained: this.contained,
        extension: this.extension && this.extension.map((v) => v.toJSON()),
        modifierExtension: this.modifierExtension && this.modifierExtension.map((v) => v.toJSON()),
        _active: this._active && this._active.toJSON(),
        active: this.active,
        author: this.author && this.author.toJSON(),
        item: this.item && this.item.map((v) => v.toJSON()),
      };
    }
  };
  