"application/json": {
                                "schema": {"$ref": "#/components/schemas/UserIn"}
                            }
                        },
                        "required": True,
                    },
                    "responses": {
                        "200": {
                            "description": "Successful Response",
                            "content": {

                    "parameters": [
                        {
                            "required": True,
                            "schema": {"title": "Item Id", "type": "string"},
                            "name": "item_id",
                            "in": "path",
                        },
                        {
                            "required": False,
                            "schema": IsDict(
                                {

It is used by Pydantic and FastAPI to explicitly declare that a value is required.

///

This will let **FastAPI** know that this parameter is required.

### Required, can be `None`

You can declare that a parameter can accept `None`, but that it's still required. This would force clients to send a value, even if the value is `None`.

                                    "$ref": "#/components/schemas/Body_create_files_files__post"
                                }
                            }
                        },
                        "required": True,
                    },
                    "responses": {
                        "200": {
                            "description": "Successful Response",

			err = msgp.WrapError(err, "Quorum")
			return
		}
	}
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *LockArgs) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 5
	// string "UID"
	o = append(o, 0x85, 0xa3, 0x55, 0x49, 0x44)
	o = msgp.AppendString(o, z.UID)
	// string "Resources"

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.admin.dict.kuromoji;

import org.lastaflute.web.validation.Required;

/**
 * @author shinsuke
 * @author Keiichi Watanabe
 */
public class SearchForm {

    @Required
    public String dictId;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.admin.dict.protwords;

import org.lastaflute.web.validation.Required;

public class DownloadForm {
    @Required
    public String dictId;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.admin.dict.stemmeroverride;

import org.lastaflute.web.validation.Required;

/**
 * @author shinsuke
 * @author Keiichi Watanabe
 */
public class SearchForm {

    @Required
    public String dictId;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.admin.dict.synonym;

import org.lastaflute.web.validation.Required;

/**
 * @author shinsuke
 * @author Keiichi Watanabe
 */
public class SearchForm {

    @Required
    public String dictId;

                            }
                        },
                        "required": True,
                    },
                }
            }
        },
        "components": {
            "schemas": {
                "UserOut": {
                    "title": "UserOut",
                    "required": IsOneOf(
                        ["username", "email", "full_name"],