import _ from 'lodash';
import { DFWhole } from './staticData';
export declare type setDFFunc = (newDf: DFWhole) => void;
export declare const requestDf: (url: string, setCallBack: setDFFunc) => Promise<void>;
export declare const sym: (symbolName: string) => {
    symbol: string;
};
export declare function replaceInArr<T>(arr: T[], old: T, subst: T): T[];
export declare function replaceAtIdx<T>(arr: T[], idx: number, subst: T): T[];
export declare function replaceAtKey<T>(obj: Record<string, T>, key: string, subst: T): Record<string, T>;
export declare const objWithoutNull: (obj: Record<string, string>, extraStrips?: string[]) => _.Dictionary<string>;
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