import * as validate from "./validate";
import * as byte from "./byte";
import { Byte } from "../def";
export { validate, byte };
export declare function flatten<T>(arr: Array<T | Array<T>>): Array<T>;
export declare function findFirst<T>(arr: T[], predicate: (item: T, idx: number) => boolean, def: T): T;
export declare function range(total: number): {
    err?: string;
    result?: number[];
};
export declare function parseAsciiStr(input: string): {
    result?: Byte[];
    err?: string;
};
export interface DirtyInfo<TKey, TVal> {
    key: TKey;
    old: TVal;
    new: TVal;
}
export declare class DirtyTracker<TKey, TVal> {
    private _tracker;
    private _equals;
    constructor(equals: (v1: TVal, v2: TVal) => boolean);
    track(key: TKey, oldval: TVal, newval: TVal): void;
    getDirtyInfo(): DirtyInfo<TKey, TVal>[];
    clear(): void;
}