import { Document } from '../../core/models/Document';
import { NewSecuritySchemeCommand } from './NewSecuritySchemeCommand';
/**
 * @author eric.wittmann@gmail.com
 * @extends NewSecuritySchemeCommand
 * @class
 */
export declare class NewSecuritySchemeCommand_20 extends NewSecuritySchemeCommand {
    _nullSecurityDefinitions: boolean;
    constructor(scheme?: any);
    /**
     * @see io.apicurio.datamodels.cmd.ICommand#execute(io.apicurio.datamodels.core.models.Document)
     * @param {Document} document
     */
    execute(document: Document): void;
    /**
     * @see io.apicurio.datamodels.cmd.ICommand#undo(io.apicurio.datamodels.core.models.Document)
     * @param {Document} document
     */
    undo(document: Document): void;
}
