import * as DG from 'datagrok-api/dg';
import { Observable, Subject, Unsubscribable } from 'rxjs';
import { ILogger } from './logger';
import { IRenderer } from '../types/renderer';
export type GridCellRendererTemp<TBack> = {
    rendererBack: TBack;
};
export declare function getGridCellColTemp<TValue, TBack extends CellRendererBackBase<TValue>>(gridCell: DG.GridCell): [DG.GridColumn | null, DG.Column<TValue>, GridCellRendererTemp<TBack>];
export declare abstract class CellRendererBackStub {
    abstract render(g: CanvasRenderingContext2D, x: number, y: number, w: number, h: number, gridCell: DG.GridCell, cellStyle: DG.GridCellStyle): void;
    onKeyDown(gridCell: DG.GridCell, e: KeyboardEvent): void;
    onKeyPress(gridCell: DG.GridCell, e: KeyboardEvent): void;
    onMouseEnter(gridCell: DG.GridCell, e: MouseEvent): void;
    onMouseLeave(gridCell: DG.GridCell, e: MouseEvent): void;
    onMouseDown(gridCell: DG.GridCell, e: MouseEvent): void;
    onMouseUp(gridCell: DG.GridCell, e: MouseEvent): void;
    onMouseMove(gridCell: DG.GridCell, e: MouseEvent): void;
    onClick(gridCell: DG.GridCell, e: MouseEvent): void;
    onDoubleClick(gridCell: DG.GridCell, e: MouseEvent): void;
}
export declare abstract class CellRendererBackBase<TValue> extends CellRendererBackStub implements IRenderer {
    /** Not null if rendered on a grid */
    protected readonly gridCol: DG.GridColumn | null;
    protected readonly tableCol: DG.Column<TValue>;
    readonly logger: ILogger;
    protected subs: Unsubscribable[];
    protected dirty: boolean;
    protected destroyed: boolean;
    protected cleanColVersion: number;
    /** Overriding care to trigger {@link onRendered} event. */
    protected constructor(
    /** Not null if rendered on a grid */
    gridCol: DG.GridColumn | null, tableCol: DG.Column<TValue>, logger: ILogger);
    private static viewerCounter;
    protected readonly viewerId: number;
    protected toLog(): string;
    protected destroy(): void;
    protected invalidateGrid(): void;
    protected reset(): void;
    errors: Error[];
    protected _onRendered: Subject<void>;
    get onRendered(): Observable<void>;
    invalidate(caller?: string): void;
    awaitRendered(timeout?: number, reason?: string): Promise<void>;
}
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