import { Document } from '../../core/models/Document';
import { IPropertySchema } from '../../core/models/common/IPropertySchema';
import { NewSchemaPropertyCommand } from './NewSchemaPropertyCommand';
/**
 * A command used to create a new schema property for AsyncAPI Schema
 * @author laurent.broudoux@gmail.com
 * @extends NewSchemaPropertyCommand
 * @class
 */
export declare class NewSchemaPropertyCommand_Aai20 extends NewSchemaPropertyCommand {
    constructor(schema?: any, propertyName?: any, description?: any, newType?: any);
    /**
     * @see io.apicurio.datamodels.cmd.ICommand#execute(Document)
     * @param {Document} document
     */
    execute(document: Document): void;
    /**
     * @see io.apicurio.datamodels.cmd.ICommand#undo(Document)
     * @param {Document} document
     */
    undo(document: Document): void;
    /**
     * Sets the property type.
     * @param {*} prop
     */
    _setPropertyType(prop: IPropertySchema): void;
}