136      *
 137      * <p>
 138      * This operation is expected to be only used in schema generator, so it can be slow.
 139      *
 140      * @return
 141      *      A map from prefixes to namespace URIs, which should be declared when generating a schema.
 142      *      Could be empty but never null.
 143      */
 144     Map<String,String> getXmlNs(String namespaceUri);
 145 
 146     /**
 147      * Gets {@link XmlSchema#location()} found in this context.
 148      *
 149      * <p>
 150      * This operation is expected to be only used in schema generator, so it can be slow.
 151      *
 152      * @return
 153      *      A map from namespace URI to the value of the location.
 154      *      If the entry is missing, that means a schema should be generated for that namespace.
 155      *      If the value is "", that means the schema location is implied
 156      *      (&lt;xs:schema namespace="..."/> w/o schemaLocation.)
 157      */
 158     Map<String,String> getSchemaLocations();
 159 
 160     /**
 161      * Gets the reasonable {@link XmlNsForm} for the given namespace URI.
 162      *
 163      * <p>
 164      * The spec doesn't define very precisely what the {@link XmlNsForm} value
 165      * for the given namespace would be, so this method is implemented in rather
 166      * ad-hoc way. It should work as what most people expect for simple cases.
 167      *
 168      * @return never null.
 169      */
 170     XmlNsForm getElementFormDefault(String nsUri);
 171 
 172     /**
 173      * Gets the reasonable {@link XmlNsForm} for the given namespace URI.
 174      *
 175      * <p>
 176      * The spec doesn't define very precisely what the {@link XmlNsForm} value

 136      *
 137      * <p>
 138      * This operation is expected to be only used in schema generator, so it can be slow.
 139      *
 140      * @return
 141      *      A map from prefixes to namespace URIs, which should be declared when generating a schema.
 142      *      Could be empty but never null.
 143      */
 144     Map<String,String> getXmlNs(String namespaceUri);
 145 
 146     /**
 147      * Gets {@link XmlSchema#location()} found in this context.
 148      *
 149      * <p>
 150      * This operation is expected to be only used in schema generator, so it can be slow.
 151      *
 152      * @return
 153      *      A map from namespace URI to the value of the location.
 154      *      If the entry is missing, that means a schema should be generated for that namespace.
 155      *      If the value is "", that means the schema location is implied
 156      *      ({@code <xs:schema namespace="..."/>} w/o schemaLocation.)
 157      */
 158     Map<String,String> getSchemaLocations();
 159 
 160     /**
 161      * Gets the reasonable {@link XmlNsForm} for the given namespace URI.
 162      *
 163      * <p>
 164      * The spec doesn't define very precisely what the {@link XmlNsForm} value
 165      * for the given namespace would be, so this method is implemented in rather
 166      * ad-hoc way. It should work as what most people expect for simple cases.
 167      *
 168      * @return never null.
 169      */
 170     XmlNsForm getElementFormDefault(String nsUri);
 171 
 172     /**
 173      * Gets the reasonable {@link XmlNsForm} for the given namespace URI.
 174      *
 175      * <p>
 176      * The spec doesn't define very precisely what the {@link XmlNsForm} value