import { IViewport } from '../lib/tree-utils';
export type JsonValueType = 'string' | 'number' | 'boolean' | 'null' | 'undefined' | 'object' | 'array' | 'date' | 'regexp' | 'bigint' | 'symbol' | 'function' | 'map' | 'set' | 'circular' | 'max-depth';
export type IJsonNode = {
    id: string;
    key: string;
    valueType: JsonValueType;
    displayValue: string;
    depth: number;
    hasChildren: boolean;
    childCount: number;
    isExpandable: boolean;
    isClosingBracket: boolean;
    bracketChar: string;
};
export type IJsonFlattenOptions = {
    maxDepth: number;
    maxStringLength: number;
    sortKeys: boolean;
};
export type JsonViewerState = {
    data: unknown;
    flattenOptions: IJsonFlattenOptions;
    nodes: IJsonNode[];
    allNodes: IJsonNode[];
    expandedIds: ReadonlySet<string>;
    focusedIndex: number;
    visibleNodeCount: number;
    viewport: IViewport;
};
export type JsonViewerAction = {
    type: 'focus-next';
} | {
    type: 'focus-previous';
} | {
    type: 'focus-first';
} | {
    type: 'focus-last';
} | {
    type: 'expand';
} | {
    type: 'collapse';
} | {
    type: 'toggle-expand';
} | {
    type: 'expand-all';
} | {
    type: 'collapse-all';
} | {
    type: 'move-to-first-child';
} | {
    type: 'reset';
    state: JsonViewerState;
};
export declare function jsonViewerReducer(state: JsonViewerState, action: JsonViewerAction): JsonViewerState;
export declare function createDefaultJsonViewerState(options: {
    data: unknown;
    defaultExpandDepth?: number;
    visibleNodeCount?: number;
    maxStringLength?: number;
    sortKeys?: boolean;
    maxDepth?: number;
}): JsonViewerState;
/**
 * Resolve the actual value at a JSONPath from the root data.
 * Path format: "$", "$.key", "$[0]", "$[\"special.key\"]"
 */
export declare function resolvePathValue(data: unknown, path: string): unknown;
//# sourceMappingURL=json-viewer.d.ts.map