import * as DG from 'datagrok-api/dg';
export declare abstract class DataBase {
    readonly name?: string | undefined;
    protected constructor(name?: string | undefined);
}
export type BuildDataFunc<TValue, TData extends DataBase> = (src: TValue) => TData;
export declare abstract class UnitsHandlerBase<TValue, TData extends DataBase = DataBase> {
    protected readonly column: DG.Column<TValue>;
    protected readonly requiredSemType: string;
    protected readonly nameColNames: string[];
    readonly units: string;
    protected constructor(column: DG.Column<TValue>, requiredSemType: string, nameColNames: string[]);
    protected _data: TData[] | undefined;
    get data(): TData[];
    protected _nameCol: DG.Column<string> | null | undefined;
    get nameCol(): DG.Column<string> | null;
    protected _fileExt: string | undefined;
    fileExt(): string;
    protected abstract getBuildDataFunc(): BuildDataFunc<TValue, TData>;
    protected abstract getFileExt(): string;
    getFileName(cell: DG.Cell): string;
}
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