import { AbstractCommand } from '../AbstractCommand';
import { Document } from '../../core/models/Document';
import { NodePath } from '../../core/models/NodePath';
import { OasSchema } from '../../openapi/models/OasSchema';
/**
 * A command used to delete all properties from a schema.
 * @author eric.wittmann@gmail.com
 * @extends AbstractCommand
 * @class
 */
export declare class DeleteAllPropertiesCommand extends AbstractCommand {
    _schemaPath: NodePath;
    _oldProperties: Array<any>;
    constructor(schema?: 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;
    /**
     * Returns true if the property is required.
     * @param {OasSchema} schema
     * @param {string} propertyName
     * @return {boolean}
     * @private
     */
    isPropertyRequired(schema: OasSchema, propertyName: string): boolean;
}