declare namespace Ext {
    export namespace data {
        export namespace validator {
            export interface FormatConfig {
                matcher?: RegExp;
                message?: string;
            }

            export class Format extends Ext.data.validator.Validator  {
                public getMatcher(): void;
                public getMessage(): void;
                public setMatcher(): void;
                public setMessage(): void;
            }
        }
    }
}