import { Tree, TreeListParentNode, TreeState } from '@stoplight/tree-list';
import { JsonPath, Optional } from '@stoplight/types';
import { JSONSchema4 } from 'json-schema';
import { ViewMode } from '../types';
import { WalkerRefResolver } from './utils/populateTree';
export declare type SchemaTreeRefInfo = {
    source: string | null;
    pointer: string | null;
};
export declare type SchemaTreeRefDereferenceFn = (ref: SchemaTreeRefInfo, propertyPath: JsonPath | null, schema: JSONSchema4) => Optional<JSONSchema4>;
export declare type SchemaTreePopulateHandler = (tree: SchemaTree, node: TreeListParentNode) => void;
export declare type SchemaTreeOptions = {
    expandedDepth: number;
    mergeAllOf: boolean;
    resolveRef: Optional<SchemaTreeRefDereferenceFn>;
    shouldResolveEagerly: boolean;
    onPopulate: Optional<SchemaTreePopulateHandler>;
    viewMode?: ViewMode;
};
export { TreeState as SchemaTreeState };
export declare class SchemaTree extends Tree {
    schema: JSONSchema4;
    state: TreeState;
    treeOptions: SchemaTreeOptions;
    constructor(schema: JSONSchema4, state: TreeState, opts: SchemaTreeOptions);
    protected readonly visited: WeakSet<object>;
    populate(): void;
    populateTreeFragment(parent: TreeListParentNode, schema: JSONSchema4, path: JsonPath, stepIn: boolean): void;
    protected insertErrorNode(parent: TreeListParentNode, error: string): void;
    protected stepIn(root: TreeListParentNode, parent: TreeListParentNode): import("@stoplight/tree-list").TreeListNode<unknown>[];
    unwrap(node: TreeListParentNode): void;
    protected resolveRef: WalkerRefResolver;
    protected populateRefFragment(node: TreeListParentNode, path: JsonPath, $ref: string | null): void;
}