declare namespace Ext {
    export namespace parse {
        export interface TokenizerConfig {
            keywords?: object;
            operators?: object;
        }

        export class Tokenizer extends Ext.util.Fly  {
            public error?: object;
            public index?: number;
            public getKeywords(): void;
            public getOperators(): void;
            public next(): object;
            public peek(): object;
            public setKeywords(): void;
            public setOperators(): void;
        }
    }
}