import type { ImageLike } from '@happyvertical/smrt-images/svelte';
import { type ContentEditorAsset, type ContentEditorFormData, type ContentEditorInitialContent } from './content-editor-form.js';
export interface CreateContentEditorStateOptions {
    content?: ContentEditorInitialContent | null;
}
export type ContentEditorFieldChange = Partial<ContentEditorFormData> & Record<string, unknown>;
export declare class ContentEditorState {
    private _form;
    private _fieldUndoStack;
    private _lastAppliedFields;
    private _showUndoBanner;
    constructor(options?: CreateContentEditorStateOptions);
    get form(): ContentEditorFormData;
    get snapshot(): {
        referenceIds: string[];
        references: import("./content-editor-form.js").ContentEditorReference[];
        assetIds: string[];
        assets: ContentEditorAsset[];
        publish_date: string | null;
    };
    get savePayload(): import("./content-editor-form.js").ContentEditorSavePayload;
    get showUndoBanner(): boolean;
    get lastAppliedFields(): string[];
    get undoDepth(): number;
    reset(content?: ContentEditorInitialContent | null): void;
    update(change: ContentEditorFieldChange): void;
    applyFieldUpdates(fields: ContentEditorFieldChange): void;
    undoLastFieldUpdate(): void;
    setReferenceIds(referenceIds: string[]): void;
    addAsset(asset: ContentEditorAsset | ImageLike | Record<string, unknown>): void;
    removeAsset(assetId: string): void;
    setThumbnailAsset(assetId: string | null): void;
}
export declare function createContentEditorState(options?: CreateContentEditorStateOptions): ContentEditorState;
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