import { LogInstance } from 'larvitutils';
import { DataWriter } from './dataWriter';
export type HelpersOptions = {
    dataWriter: DataWriter;
    db: any;
    log: LogInstance;
};
export declare function arrayify<T>(value: T | Array<T>): Array<T>;
export declare class Helpers {
    private dataWriter;
    private db;
    private log;
    private lUtils;
    constructor(options: HelpersOptions);
    valueOrThrow<T>(value: T | boolean, logPrefix: string, errMsg: string): T;
    getFieldName(uuid: string): Promise<string | boolean>;
    getFieldUuid(fieldName: string, dbConn?: any): Promise<string | boolean>;
}
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