/**
 * Main thread snapshot implementation that runs in the main thread.
 *
 * This is the mirror of background's {@link BackgroundSnapshotInstance}:
 */
import type { Worklet, WorkletRefImpl } from '@lynx-js/react/worklet-runtime/bindings';
import type { Snapshot } from './definition.js';
import type { PlatformInfo } from './platformInfo.js';
import type { SerializedSnapshotInstance } from './types.js';
export declare const snapshotInstanceManager: {
    nextId: number;
    values: Map<number, SnapshotInstance>;
    clear(): void;
};
export declare let snapshotCreatorMap: Record<string, (uniqId: string) => string>;
/**
 * The runtime instance of a {@link Snapshot} on the main thread that manages
 * the actual elements and handles updates to dynamic parts.
 *
 * This class is designed to be compatible with Preact's {@link ContainerNode}
 * interface for Preact's renderer to operate upon.
 */
export declare class SnapshotInstance {
    type: string;
    __id: number;
    __snapshot_def: Snapshot;
    __elements?: FiberElement[] | undefined;
    __element_root?: FiberElement | undefined;
    __values?: unknown[] | undefined;
    __current_slot_index: number;
    __worklet_ref_set?: Set<WorkletRefImpl<any> | Worklet>;
    __listItemPlatformInfo?: PlatformInfo;
    __extraProps?: Record<string, unknown> | undefined;
    constructor(type: string, id?: number);
    ensureElements(): void;
    unRenderElements(): void;
    takeElements(): SnapshotInstance;
    tearDown(): void;
    private __parent;
    private __firstChild;
    private __lastChild;
    private __previousSibling;
    private __nextSibling;
    get parentNode(): SnapshotInstance | null;
    get nextSibling(): SnapshotInstance | null;
    contains(child: SnapshotInstance): boolean;
    get childNodes(): SnapshotInstance[];
    __insertBefore(node: SnapshotInstance, beforeNode?: SnapshotInstance): void;
    __removeChild(node: SnapshotInstance): void;
    insertBefore(newNode: SnapshotInstance, existingNode?: SnapshotInstance): void;
    removeChild(child: SnapshotInstance): void;
    removeChildren(start?: SnapshotInstance | null): void;
    setAttribute(key: string | number, value: any): void;
    toJSON(): Omit<SerializedSnapshotInstance, 'children'> & {
        children: SnapshotInstance[] | undefined;
    };
    callUpdateIfNotDirectOrDeepEqual(index: number, oldValue: any, newValue: any): void;
}