import type { IArtifact, IUpdateArtifact } from '@looker/sdk';
export type SheetValues = any[];
export declare const noDate: Date;
export declare const APP_JSON = "application/json";
export declare const nilCell = "\0";
export declare const addMinutes: (date: Date, minutes: number) => Date;
export declare const stringer: (value: any) => any;
export type RowValues = Record<string, any>;
export type ColumnHeaders = string[];
export declare const rowPosition = "_row";
export interface IRowValidationError {
    message: string;
    type: 'error';
}
export type RowValidationErrors = Record<string, IRowValidationError>;
export declare enum RowAction {
    None = 0,
    Create = 1,
    Update = 2,
    Delete = 3
}
export interface IRowModelProps extends RowValues {
    _row: number;
    _id: string;
    _updated: Date;
    $action: RowAction;
    $artifact: Partial<IArtifact>;
}
export interface IRowModel extends IRowModelProps {
    assign(values: any): IRowModel;
    keys(): ColumnHeaders;
    header(): ColumnHeaders;
    displayHeader(): ColumnHeaders;
    values(): SheetValues;
    prepare(): IRowModel;
    validate(): RowValidationErrors | undefined;
    typeCast(key: string, value: any): any;
    toObject(): Record<string, unknown>;
    fromObject(obj: Record<string, unknown>): IRowModel;
    toArtifact(): Partial<IUpdateArtifact>;
    fromArtifact(obj: Partial<IArtifact>): IRowModel;
    setUpdate(): boolean;
    setDelete(): boolean;
    setCreate(): boolean;
    isNew(): boolean;
    isStored(): boolean;
    namespace(): string;
    tableName(): string;
    makey(): string;
}
export declare abstract class RowModel<T extends IRowModel> implements IRowModel {
    _row: number;
    _id: string;
    _updated: Date;
    $artifact: Partial<IArtifact>;
    constructor(values?: any);
    isNew(): boolean;
    isStored(): boolean;
    private $_action;
    private static hide;
    private initFromArray;
    private initValues;
    tableName(): string;
    makey(): string;
    get key(): string;
    set key(value: string);
    private oops;
    get $action(): RowAction;
    set $action(value: RowAction);
    setCreate(): boolean;
    setUpdate(): boolean;
    setDelete(): boolean;
    keys(): ColumnHeaders;
    header(): ColumnHeaders;
    displayHeader(): ColumnHeaders;
    prepare(): T;
    values(): SheetValues;
    typeCast(key: string, value: any): any;
    assign(values: any): T;
    validate(): RowValidationErrors | undefined;
    toObject(): Record<string, unknown>;
    fromObject(obj: Record<string, unknown>): IRowModel;
    fromArtifact(obj: Partial<IArtifact>): IRowModel;
    private storageValues;
    toArtifact(): Partial<IUpdateArtifact>;
    abstract namespace(): string;
}
export type RowModelFactory<T extends IRowModel> = {
    new (values?: any): T;
};