export interface TagOptions {
    attr?: string;
    value?: string | number | true;
    exprValue?: string[];
    nativeValue?: any;
    star?: boolean;
    doubleStar?: boolean;
    starValue?: boolean;
    optional?: boolean;
    identifier?: string;
}
export default class TupleTag {
    attr?: string;
    value?: any;
    nativeValue?: any;
    exprValue?: string[];
    star?: boolean;
    doubleStar?: boolean;
    starValue?: boolean;
    optional?: boolean;
    identifier?: string;
    constructor(opts: TagOptions);
    hasValue(): boolean;
    hasIdentifier(): boolean;
    valueToString(): string;
    str(): string;
    stringify(): string;
    copy(): TupleTag;
    setAttr(attr: string): TupleTag;
    setValue(value: string): TupleTag;
    setValueless(): TupleTag;
    setStarValue(): TupleTag;
    setNativeValue(v: any): TupleTag;
    setIdentifier(id: string): TupleTag;
    removeIdentifier(): TupleTag;
    setValueExpr(expr: string[]): TupleTag;
    compareCanonicalSort(rhs: TupleTag): number;
    equals(rhs: TupleTag): boolean;
    isUniqueExpr(): boolean;
}
export declare type FixedTag = TupleTag;
export declare function newTag(attr: string, tagValue?: any): TupleTag;
export declare function newSimpleTag(attr: string, tagValue?: any): TupleTag;
export declare function newTagFromObject(obj: TagOptions): TupleTag;
export declare function tagToString(tag: TupleTag): string;