/**
 */
package org.hl7.fhir;

import java.lang.String;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Extension</b></em>'.
 * <!-- end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * Optional Extensions Element - found in all resources.
 * If the element is present, it must have a value for at least one of the defined elements, an @id referenced from the Narrative, or extensions
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * </p>
 * <ul>
 *   <li>{@link org.hl7.fhir.Extension#getValueBoolean <em>Value Boolean</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueInteger <em>Value Integer</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueDecimal <em>Value Decimal</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueBase64Binary <em>Value Base64 Binary</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueInstant <em>Value Instant</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueString <em>Value String</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueUri <em>Value Uri</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueDate <em>Value Date</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueDateTime <em>Value Date Time</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueTime <em>Value Time</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueCode <em>Value Code</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueOid <em>Value Oid</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueUuid <em>Value Uuid</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueId <em>Value Id</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueUnsignedInt <em>Value Unsigned Int</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValuePositiveInt <em>Value Positive Int</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueMarkdown <em>Value Markdown</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueAnnotation <em>Value Annotation</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueAttachment <em>Value Attachment</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueIdentifier <em>Value Identifier</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueCodeableConcept <em>Value Codeable Concept</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueCoding <em>Value Coding</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueQuantity <em>Value Quantity</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueRange <em>Value Range</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValuePeriod <em>Value Period</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueRatio <em>Value Ratio</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueReference <em>Value Reference</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueSampledData <em>Value Sampled Data</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueSignature <em>Value Signature</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueHumanName <em>Value Human Name</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueAddress <em>Value Address</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueContactPoint <em>Value Contact Point</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueTiming <em>Value Timing</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getValueMeta <em>Value Meta</em>}</li>
 *   <li>{@link org.hl7.fhir.Extension#getUrl <em>Url</em>}</li>
 * </ul>
 *
 * @see org.hl7.fhir.FhirPackage#getExtension()
 * @model extendedMetaData="name='Extension' kind='elementOnly'"
 * @generated
 */
public interface Extension extends Element {
	/**
	 * Returns the value of the '<em><b>Value Boolean</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Boolean</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Boolean</em>' containment reference.
	 * @see #setValueBoolean(org.hl7.fhir.Boolean)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueBoolean()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueBoolean' namespace='##targetNamespace'"
	 * @generated
	 */
	org.hl7.fhir.Boolean getValueBoolean();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueBoolean <em>Value Boolean</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Boolean</em>' containment reference.
	 * @see #getValueBoolean()
	 * @generated
	 */
	void setValueBoolean(org.hl7.fhir.Boolean value);

	/**
	 * Returns the value of the '<em><b>Value Integer</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Integer</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Integer</em>' containment reference.
	 * @see #setValueInteger(org.hl7.fhir.Integer)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueInteger()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueInteger' namespace='##targetNamespace'"
	 * @generated
	 */
	org.hl7.fhir.Integer getValueInteger();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueInteger <em>Value Integer</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Integer</em>' containment reference.
	 * @see #getValueInteger()
	 * @generated
	 */
	void setValueInteger(org.hl7.fhir.Integer value);

	/**
	 * Returns the value of the '<em><b>Value Decimal</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Decimal</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Decimal</em>' containment reference.
	 * @see #setValueDecimal(Decimal)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueDecimal()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueDecimal' namespace='##targetNamespace'"
	 * @generated
	 */
	Decimal getValueDecimal();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueDecimal <em>Value Decimal</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Decimal</em>' containment reference.
	 * @see #getValueDecimal()
	 * @generated
	 */
	void setValueDecimal(Decimal value);

	/**
	 * Returns the value of the '<em><b>Value Base64 Binary</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Base64 Binary</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Base64 Binary</em>' containment reference.
	 * @see #setValueBase64Binary(Base64Binary)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueBase64Binary()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueBase64Binary' namespace='##targetNamespace'"
	 * @generated
	 */
	Base64Binary getValueBase64Binary();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueBase64Binary <em>Value Base64 Binary</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Base64 Binary</em>' containment reference.
	 * @see #getValueBase64Binary()
	 * @generated
	 */
	void setValueBase64Binary(Base64Binary value);

	/**
	 * Returns the value of the '<em><b>Value Instant</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Instant</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Instant</em>' containment reference.
	 * @see #setValueInstant(Instant)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueInstant()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueInstant' namespace='##targetNamespace'"
	 * @generated
	 */
	Instant getValueInstant();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueInstant <em>Value Instant</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Instant</em>' containment reference.
	 * @see #getValueInstant()
	 * @generated
	 */
	void setValueInstant(Instant value);

	/**
	 * Returns the value of the '<em><b>Value String</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value String</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value String</em>' containment reference.
	 * @see #setValueString(org.hl7.fhir.String)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueString()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueString' namespace='##targetNamespace'"
	 * @generated
	 */
	org.hl7.fhir.String getValueString();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueString <em>Value String</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value String</em>' containment reference.
	 * @see #getValueString()
	 * @generated
	 */
	void setValueString(org.hl7.fhir.String value);

	/**
	 * Returns the value of the '<em><b>Value Uri</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Uri</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Uri</em>' containment reference.
	 * @see #setValueUri(Uri)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueUri()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueUri' namespace='##targetNamespace'"
	 * @generated
	 */
	Uri getValueUri();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueUri <em>Value Uri</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Uri</em>' containment reference.
	 * @see #getValueUri()
	 * @generated
	 */
	void setValueUri(Uri value);

	/**
	 * Returns the value of the '<em><b>Value Date</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Date</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Date</em>' containment reference.
	 * @see #setValueDate(Date)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueDate()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueDate' namespace='##targetNamespace'"
	 * @generated
	 */
	Date getValueDate();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueDate <em>Value Date</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Date</em>' containment reference.
	 * @see #getValueDate()
	 * @generated
	 */
	void setValueDate(Date value);

	/**
	 * Returns the value of the '<em><b>Value Date Time</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Date Time</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Date Time</em>' containment reference.
	 * @see #setValueDateTime(DateTime)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueDateTime()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueDateTime' namespace='##targetNamespace'"
	 * @generated
	 */
	DateTime getValueDateTime();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueDateTime <em>Value Date Time</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Date Time</em>' containment reference.
	 * @see #getValueDateTime()
	 * @generated
	 */
	void setValueDateTime(DateTime value);

	/**
	 * Returns the value of the '<em><b>Value Time</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Time</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Time</em>' containment reference.
	 * @see #setValueTime(Time)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueTime()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueTime' namespace='##targetNamespace'"
	 * @generated
	 */
	Time getValueTime();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueTime <em>Value Time</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Time</em>' containment reference.
	 * @see #getValueTime()
	 * @generated
	 */
	void setValueTime(Time value);

	/**
	 * Returns the value of the '<em><b>Value Code</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Code</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Code</em>' containment reference.
	 * @see #setValueCode(Code)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueCode()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueCode' namespace='##targetNamespace'"
	 * @generated
	 */
	Code getValueCode();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueCode <em>Value Code</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Code</em>' containment reference.
	 * @see #getValueCode()
	 * @generated
	 */
	void setValueCode(Code value);

	/**
	 * Returns the value of the '<em><b>Value Oid</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Oid</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Oid</em>' containment reference.
	 * @see #setValueOid(Oid)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueOid()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueOid' namespace='##targetNamespace'"
	 * @generated
	 */
	Oid getValueOid();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueOid <em>Value Oid</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Oid</em>' containment reference.
	 * @see #getValueOid()
	 * @generated
	 */
	void setValueOid(Oid value);

	/**
	 * Returns the value of the '<em><b>Value Uuid</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Uuid</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Uuid</em>' containment reference.
	 * @see #setValueUuid(Uuid)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueUuid()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueUuid' namespace='##targetNamespace'"
	 * @generated
	 */
	Uuid getValueUuid();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueUuid <em>Value Uuid</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Uuid</em>' containment reference.
	 * @see #getValueUuid()
	 * @generated
	 */
	void setValueUuid(Uuid value);

	/**
	 * Returns the value of the '<em><b>Value Id</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Id</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Id</em>' containment reference.
	 * @see #setValueId(Id)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueId()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueId' namespace='##targetNamespace'"
	 * @generated
	 */
	Id getValueId();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueId <em>Value Id</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Id</em>' containment reference.
	 * @see #getValueId()
	 * @generated
	 */
	void setValueId(Id value);

	/**
	 * Returns the value of the '<em><b>Value Unsigned Int</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Unsigned Int</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Unsigned Int</em>' containment reference.
	 * @see #setValueUnsignedInt(UnsignedInt)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueUnsignedInt()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueUnsignedInt' namespace='##targetNamespace'"
	 * @generated
	 */
	UnsignedInt getValueUnsignedInt();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueUnsignedInt <em>Value Unsigned Int</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Unsigned Int</em>' containment reference.
	 * @see #getValueUnsignedInt()
	 * @generated
	 */
	void setValueUnsignedInt(UnsignedInt value);

	/**
	 * Returns the value of the '<em><b>Value Positive Int</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Positive Int</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Positive Int</em>' containment reference.
	 * @see #setValuePositiveInt(PositiveInt)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValuePositiveInt()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valuePositiveInt' namespace='##targetNamespace'"
	 * @generated
	 */
	PositiveInt getValuePositiveInt();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValuePositiveInt <em>Value Positive Int</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Positive Int</em>' containment reference.
	 * @see #getValuePositiveInt()
	 * @generated
	 */
	void setValuePositiveInt(PositiveInt value);

	/**
	 * Returns the value of the '<em><b>Value Markdown</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Markdown</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Markdown</em>' containment reference.
	 * @see #setValueMarkdown(Markdown)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueMarkdown()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueMarkdown' namespace='##targetNamespace'"
	 * @generated
	 */
	Markdown getValueMarkdown();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueMarkdown <em>Value Markdown</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Markdown</em>' containment reference.
	 * @see #getValueMarkdown()
	 * @generated
	 */
	void setValueMarkdown(Markdown value);

	/**
	 * Returns the value of the '<em><b>Value Annotation</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Annotation</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Annotation</em>' containment reference.
	 * @see #setValueAnnotation(Annotation)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueAnnotation()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueAnnotation' namespace='##targetNamespace'"
	 * @generated
	 */
	Annotation getValueAnnotation();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueAnnotation <em>Value Annotation</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Annotation</em>' containment reference.
	 * @see #getValueAnnotation()
	 * @generated
	 */
	void setValueAnnotation(Annotation value);

	/**
	 * Returns the value of the '<em><b>Value Attachment</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Attachment</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Attachment</em>' containment reference.
	 * @see #setValueAttachment(Attachment)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueAttachment()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueAttachment' namespace='##targetNamespace'"
	 * @generated
	 */
	Attachment getValueAttachment();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueAttachment <em>Value Attachment</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Attachment</em>' containment reference.
	 * @see #getValueAttachment()
	 * @generated
	 */
	void setValueAttachment(Attachment value);

	/**
	 * Returns the value of the '<em><b>Value Identifier</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Identifier</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Identifier</em>' containment reference.
	 * @see #setValueIdentifier(Identifier)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueIdentifier()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueIdentifier' namespace='##targetNamespace'"
	 * @generated
	 */
	Identifier getValueIdentifier();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueIdentifier <em>Value Identifier</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Identifier</em>' containment reference.
	 * @see #getValueIdentifier()
	 * @generated
	 */
	void setValueIdentifier(Identifier value);

	/**
	 * Returns the value of the '<em><b>Value Codeable Concept</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Codeable Concept</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Codeable Concept</em>' containment reference.
	 * @see #setValueCodeableConcept(CodeableConcept)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueCodeableConcept()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueCodeableConcept' namespace='##targetNamespace'"
	 * @generated
	 */
	CodeableConcept getValueCodeableConcept();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueCodeableConcept <em>Value Codeable Concept</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Codeable Concept</em>' containment reference.
	 * @see #getValueCodeableConcept()
	 * @generated
	 */
	void setValueCodeableConcept(CodeableConcept value);

	/**
	 * Returns the value of the '<em><b>Value Coding</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Coding</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Coding</em>' containment reference.
	 * @see #setValueCoding(Coding)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueCoding()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueCoding' namespace='##targetNamespace'"
	 * @generated
	 */
	Coding getValueCoding();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueCoding <em>Value Coding</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Coding</em>' containment reference.
	 * @see #getValueCoding()
	 * @generated
	 */
	void setValueCoding(Coding value);

	/**
	 * Returns the value of the '<em><b>Value Quantity</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Quantity</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Quantity</em>' containment reference.
	 * @see #setValueQuantity(Quantity)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueQuantity()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueQuantity' namespace='##targetNamespace'"
	 * @generated
	 */
	Quantity getValueQuantity();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueQuantity <em>Value Quantity</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Quantity</em>' containment reference.
	 * @see #getValueQuantity()
	 * @generated
	 */
	void setValueQuantity(Quantity value);

	/**
	 * Returns the value of the '<em><b>Value Range</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Range</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Range</em>' containment reference.
	 * @see #setValueRange(Range)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueRange()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueRange' namespace='##targetNamespace'"
	 * @generated
	 */
	Range getValueRange();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueRange <em>Value Range</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Range</em>' containment reference.
	 * @see #getValueRange()
	 * @generated
	 */
	void setValueRange(Range value);

	/**
	 * Returns the value of the '<em><b>Value Period</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Period</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Period</em>' containment reference.
	 * @see #setValuePeriod(Period)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValuePeriod()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valuePeriod' namespace='##targetNamespace'"
	 * @generated
	 */
	Period getValuePeriod();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValuePeriod <em>Value Period</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Period</em>' containment reference.
	 * @see #getValuePeriod()
	 * @generated
	 */
	void setValuePeriod(Period value);

	/**
	 * Returns the value of the '<em><b>Value Ratio</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Ratio</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Ratio</em>' containment reference.
	 * @see #setValueRatio(Ratio)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueRatio()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueRatio' namespace='##targetNamespace'"
	 * @generated
	 */
	Ratio getValueRatio();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueRatio <em>Value Ratio</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Ratio</em>' containment reference.
	 * @see #getValueRatio()
	 * @generated
	 */
	void setValueRatio(Ratio value);

	/**
	 * Returns the value of the '<em><b>Value Reference</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Reference</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Reference</em>' containment reference.
	 * @see #setValueReference(Reference)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueReference()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueReference' namespace='##targetNamespace'"
	 * @generated
	 */
	Reference getValueReference();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueReference <em>Value Reference</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Reference</em>' containment reference.
	 * @see #getValueReference()
	 * @generated
	 */
	void setValueReference(Reference value);

	/**
	 * Returns the value of the '<em><b>Value Sampled Data</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Sampled Data</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Sampled Data</em>' containment reference.
	 * @see #setValueSampledData(SampledData)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueSampledData()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueSampledData' namespace='##targetNamespace'"
	 * @generated
	 */
	SampledData getValueSampledData();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueSampledData <em>Value Sampled Data</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Sampled Data</em>' containment reference.
	 * @see #getValueSampledData()
	 * @generated
	 */
	void setValueSampledData(SampledData value);

	/**
	 * Returns the value of the '<em><b>Value Signature</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Signature</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Signature</em>' containment reference.
	 * @see #setValueSignature(Signature)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueSignature()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueSignature' namespace='##targetNamespace'"
	 * @generated
	 */
	Signature getValueSignature();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueSignature <em>Value Signature</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Signature</em>' containment reference.
	 * @see #getValueSignature()
	 * @generated
	 */
	void setValueSignature(Signature value);

	/**
	 * Returns the value of the '<em><b>Value Human Name</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Human Name</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Human Name</em>' containment reference.
	 * @see #setValueHumanName(HumanName)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueHumanName()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueHumanName' namespace='##targetNamespace'"
	 * @generated
	 */
	HumanName getValueHumanName();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueHumanName <em>Value Human Name</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Human Name</em>' containment reference.
	 * @see #getValueHumanName()
	 * @generated
	 */
	void setValueHumanName(HumanName value);

	/**
	 * Returns the value of the '<em><b>Value Address</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Address</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Address</em>' containment reference.
	 * @see #setValueAddress(Address)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueAddress()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueAddress' namespace='##targetNamespace'"
	 * @generated
	 */
	Address getValueAddress();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueAddress <em>Value Address</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Address</em>' containment reference.
	 * @see #getValueAddress()
	 * @generated
	 */
	void setValueAddress(Address value);

	/**
	 * Returns the value of the '<em><b>Value Contact Point</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Contact Point</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Contact Point</em>' containment reference.
	 * @see #setValueContactPoint(ContactPoint)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueContactPoint()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueContactPoint' namespace='##targetNamespace'"
	 * @generated
	 */
	ContactPoint getValueContactPoint();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueContactPoint <em>Value Contact Point</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Contact Point</em>' containment reference.
	 * @see #getValueContactPoint()
	 * @generated
	 */
	void setValueContactPoint(ContactPoint value);

	/**
	 * Returns the value of the '<em><b>Value Timing</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Timing</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Timing</em>' containment reference.
	 * @see #setValueTiming(Timing)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueTiming()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueTiming' namespace='##targetNamespace'"
	 * @generated
	 */
	Timing getValueTiming();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueTiming <em>Value Timing</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Timing</em>' containment reference.
	 * @see #getValueTiming()
	 * @generated
	 */
	void setValueTiming(Timing value);

	/**
	 * Returns the value of the '<em><b>Value Meta</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Value Meta</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Value Meta</em>' containment reference.
	 * @see #setValueMeta(Meta)
	 * @see org.hl7.fhir.FhirPackage#getExtension_ValueMeta()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='valueMeta' namespace='##targetNamespace'"
	 * @generated
	 */
	Meta getValueMeta();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getValueMeta <em>Value Meta</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Value Meta</em>' containment reference.
	 * @see #getValueMeta()
	 * @generated
	 */
	void setValueMeta(Meta value);

	/**
	 * Returns the value of the '<em><b>Url</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Url</em>' attribute isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Url</em>' attribute.
	 * @see #setUrl(String)
	 * @see org.hl7.fhir.FhirPackage#getExtension_Url()
	 * @model dataType="org.hl7.fhir.UriPrimitive" required="true"
	 *        extendedMetaData="kind='attribute' name='url'"
	 * @generated
	 */
	String getUrl();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Extension#getUrl <em>Url</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Url</em>' attribute.
	 * @see #getUrl()
	 * @generated
	 */
	void setUrl(String value);

} // Extension