declare namespace Ext {
    export namespace parse {
        export interface ParserConfig {
            constants?: object;
            infix?: object;
            infixRight?: object;
            prefix?: object;
            symbols?: object;
            token?: Ext.parse.Symbol;
            tokenizer?: object | Ext.parse.Tokenizer;
        }

        export class Parser extends Ext.util.Fly  {
            public advance(expected?: string): Ext.parse.Symbol;
            public getConstants(): void;
            public getInfix(): void;
            public getInfixRight(): void;
            public getPrefix(): void;
            public getSymbols(): void;
            public getTokenizer(): void;
            public parseExpression(rightPriority?: number): Ext.parse.Symbol;
            public setConstants(): void;
            public setInfix(): void;
            public setInfixRight(): void;
            public setPrefix(): void;
            public setSymbols(): void;
            public setTokenizer(): void;
            public syntaxError(at?: number, message?: string): object;
        }
    }
}