export declare class GraphqParam {
    param: string;
    value: string | number | boolean | string[] | number[];
}
export declare class GraphqlParams {
    private params;
    set(param: string, value: any): GraphqlParams;
    getAll(...exceptFields: string[]): string;
    removeAll(): void;
    remove(...params: string[]): void;
    private paramToString;
    private castParamValue;
}