import { $ } from './e';
export declare const neg: import("./e").MonoOp<$<number>, import("rxjs").Observable<number>>;
export declare const inv: import("./e").MonoOp<$<number>, import("rxjs").Observable<number>>;
export declare function add(a: $<number>, b: $<number>, ...nums: $<number>[]): import("rxjs").Observable<number>;
export declare function sub(a: $<number>, b: $<number>, ...nums: $<number>[]): import("rxjs").Observable<number>;
export declare function mul(a: $<number>, b: $<number>, ...nums: $<number>[]): import("rxjs").Observable<number>;
export declare function div(a: $<number>, b: $<number>, ...nums: $<number>[]): import("rxjs").Observable<number>;
export declare function mod(a: $<number>, b: $<number>, ...nums: $<number>[]): import("rxjs").Observable<number>;