import * as _angular_core from '@angular/core';
import { Signal, InjectionToken } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { CanDeactivateFn } from '@angular/router';

type SdUnsavedChangesMaybeAsync<T> = T | PromiseLike<T>;
type SdUnsavedChangesDirtySource = boolean | Signal<boolean> | (() => boolean);
type SdUnsavedChangesDecision = 'save' | 'discard' | 'cancel';
type SdUnsavedChangesReason = 'navigation' | 'close' | 'manual';
interface SdUnsavedChangesWatcher {
    readonly id: string;
    readonly scope?: unknown;
    readonly isDirty: SdUnsavedChangesDirtySource;
    readonly message?: string;
    readonly save?: () => SdUnsavedChangesMaybeAsync<void | boolean>;
    readonly reset?: () => SdUnsavedChangesMaybeAsync<void | boolean>;
    readonly discard?: () => SdUnsavedChangesMaybeAsync<void | boolean>;
    readonly cleanup?: () => void;
}
interface SdUnsavedChangesPromptContext {
    readonly reason: SdUnsavedChangesReason;
    readonly scope?: unknown;
    readonly message: string;
    readonly watchers: readonly SdUnsavedChangesRegistration[];
}
interface SdUnsavedChangesConfirmationAdapter {
    confirm(context: SdUnsavedChangesPromptContext): SdUnsavedChangesMaybeAsync<SdUnsavedChangesDecision | boolean>;
}
interface SdUnsavedChangesRegistration {
    readonly id: string;
    readonly scope?: unknown;
    readonly message?: string;
    readonly destroyed: Signal<boolean>;
    readonly dirty: Signal<boolean>;
    markDirty(): void;
    markPristine(): void;
    save(): Promise<boolean>;
    reset(): Promise<boolean>;
    discard(): Promise<boolean>;
    destroy(): void;
}
interface SdUnsavedChangesConfirmOptions {
    readonly scope?: unknown;
    readonly reason?: SdUnsavedChangesReason;
}

interface SdUnsavedChangesWindow {
    addEventListener(type: 'beforeunload', listener: (event: BeforeUnloadEvent) => void): void;
    removeEventListener(type: 'beforeunload', listener: (event: BeforeUnloadEvent) => void): void;
    confirm?(message?: string): boolean;
}
declare const SD_UNSAVED_CHANGES_WINDOW: InjectionToken<SdUnsavedChangesWindow | null>;
declare const SD_UNSAVED_CHANGES_CONFIRMATION_ADAPTER: InjectionToken<SdUnsavedChangesConfirmationAdapter>;

declare class SdUnsavedChangesService {
    #private;
    readonly registrations: _angular_core.Signal<SdUnsavedChangesRegistration[]>;
    readonly dirty: _angular_core.Signal<boolean>;
    constructor();
    register(watcher: SdUnsavedChangesWatcher): SdUnsavedChangesRegistration;
    hasChanges(scope?: unknown): boolean;
    confirmLeave(options?: SdUnsavedChangesConfirmOptions): Promise<boolean>;
    saveAll(scope?: unknown): Promise<boolean>;
    resetAll(scope?: unknown): Promise<boolean>;
    discardAll(scope?: unknown): Promise<boolean>;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<SdUnsavedChangesService, never>;
    static ɵprov: _angular_core.ɵɵInjectableDeclaration<SdUnsavedChangesService>;
}

interface SdUnsavedChangesFormOptions<TValue> {
    readonly id: string;
    readonly scope?: unknown;
    readonly message?: string;
    readonly save?: (value: TValue) => SdUnsavedChangesMaybeAsync<void | boolean>;
    readonly reset?: (form: FormGroup) => SdUnsavedChangesMaybeAsync<void | boolean>;
    readonly discard?: (form: FormGroup) => SdUnsavedChangesMaybeAsync<void | boolean>;
}
declare function registerSdUnsavedChangesForm<TValue extends Record<string, unknown>>(service: SdUnsavedChangesService, form: FormGroup, options: SdUnsavedChangesFormOptions<TValue>): SdUnsavedChangesRegistration;
declare function createSdUnsavedChangesCloseGuard(service: SdUnsavedChangesService, options?: Omit<SdUnsavedChangesConfirmOptions, 'reason'>): () => Promise<boolean>;
declare const sdUnsavedChangesGuard: CanDeactivateFn<unknown>;

export { SD_UNSAVED_CHANGES_CONFIRMATION_ADAPTER, SD_UNSAVED_CHANGES_WINDOW, SdUnsavedChangesService, createSdUnsavedChangesCloseGuard, registerSdUnsavedChangesForm, sdUnsavedChangesGuard };
export type { SdUnsavedChangesConfirmOptions, SdUnsavedChangesConfirmationAdapter, SdUnsavedChangesDecision, SdUnsavedChangesDirtySource, SdUnsavedChangesFormOptions, SdUnsavedChangesMaybeAsync, SdUnsavedChangesPromptContext, SdUnsavedChangesReason, SdUnsavedChangesRegistration, SdUnsavedChangesWatcher, SdUnsavedChangesWindow };