/**
 * Client-side actions — executed by the prefab renderer without server roundtrip.
 */
import type { Action, ActionJSON } from './types.js';
export interface SetStateOpts {
    onSuccess?: Action | Action[];
    onError?: Action | Action[];
}
export declare class SetState implements Action {
    readonly key: string;
    readonly value: unknown;
    private readonly opts?;
    constructor(key: string, value: unknown, opts?: SetStateOpts | undefined);
    toJSON(): ActionJSON;
}
export declare class ToggleState implements Action {
    readonly key: string;
    constructor(key: string);
    toJSON(): ActionJSON;
}
export declare class AppendState implements Action {
    readonly key: string;
    readonly value: unknown;
    readonly index?: number | undefined;
    constructor(key: string, value: unknown, index?: number | undefined);
    toJSON(): ActionJSON;
}
export declare class PopState implements Action {
    readonly key: string;
    readonly index: number | string;
    constructor(key: string, index: number | string);
    toJSON(): ActionJSON;
}
export type ToastVariant = 'default' | 'success' | 'error' | 'warning' | 'info';
export interface ShowToastOpts {
    description?: string;
    variant?: ToastVariant;
    duration?: number;
}
export declare class ShowToast implements Action {
    readonly message: string;
    private readonly opts?;
    constructor(message: string, opts?: ShowToastOpts | undefined);
    toJSON(): ActionJSON;
}
export declare class CloseOverlay implements Action {
    toJSON(): ActionJSON;
}
export declare class OpenLink implements Action {
    readonly url: string;
    readonly target: string;
    constructor(url: string, target?: string);
    toJSON(): ActionJSON;
}
export declare class SetInterval implements Action {
    readonly intervalMs: number;
    readonly onTick: Action | Action[];
    constructor(intervalMs: number, onTick: Action | Action[]);
    toJSON(): ActionJSON;
}
export interface FetchOpts {
    method?: 'GET' | 'POST' | 'PUT' | 'DELETE' | 'PATCH';
    headers?: Record<string, string>;
    body?: unknown;
    resultKey?: string;
    onSuccess?: Action | Action[];
    onError?: Action | Action[];
}
export declare class Fetch implements Action {
    readonly url: string;
    private readonly opts?;
    constructor(url: string, opts?: FetchOpts | undefined);
    toJSON(): ActionJSON;
}
export interface OpenFilePickerOpts {
    accept?: string;
    multiple?: boolean;
    resultKey?: string;
    onSuccess?: Action | Action[];
}
export declare class OpenFilePicker implements Action {
    private readonly opts?;
    constructor(opts?: OpenFilePickerOpts | undefined);
    toJSON(): ActionJSON;
}
export interface CallHandlerOpts {
    arguments?: Record<string, unknown>;
    resultKey?: string;
    onSuccess?: Action | Action[];
    onError?: Action | Action[];
}
export declare class CallHandler implements Action {
    readonly handler: string;
    private readonly opts?;
    constructor(handler: string, opts?: CallHandlerOpts | undefined);
    toJSON(): ActionJSON;
}
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