import { GetChildOperation } from '../../../operations/get-child';
import { GetItemsOperation } from '../../../operations/get-items';
import { GraphOperation, NodeDefinition } from '../../../types/graph';
export declare type QueryPartCallback = (value: NodeDefinition) => void;
export declare type DisposeRequest = () => void;
export interface OperationPathPart<O extends GraphOperation = GraphOperation> {
    id: string;
    operation: O;
}
export interface Request<T extends string, O extends GraphOperation> {
    isDisposed: boolean;
    pathPart: OperationPathPart<O>;
    retainCount: number;
    type: T;
}
export interface WildcardRequest extends Request<string, GraphOperation> {
    callback: QueryPartCallback;
    isPending: boolean;
    value: NodeDefinition | undefined;
}
export interface GetChildRequest extends Request<'getChild', GetChildOperation> {
    treeBuilder: QueryBuilderTree;
}
export declare function isGetChildRequest(request: AnyRequest): request is GetChildRequest;
export interface GetItemsRequest extends Request<'getItems', GetItemsOperation> {
    callback: QueryPartCallback | undefined;
    isPending: boolean;
    treeBuilder: QueryBuilderTree;
    value: NodeDefinition | undefined;
}
export declare function isGetItemsRequest(request: AnyRequest): request is GetItemsRequest;
export declare type AnyRequest = GetChildRequest | GetItemsRequest | WildcardRequest;
export declare class RequestWrapper {
    readonly original: AnyRequest;
    constructor(request: AnyRequest);
    setValue(value: NodeDefinition): void;
}
export declare class QueryBuilder {
    id: string;
    isModified: boolean;
    root: QueryBuilderTree;
    constructor(id: string);
    addRequest(operationPath: Array<OperationPathPart>, callback?: QueryPartCallback): DisposeRequest;
    findRequest(operationPath: Array<OperationPathPart>): RequestWrapper | undefined;
    isRequestPending(operationPath: Array<OperationPathPart>): boolean;
    markAsModified(): void;
    resetModifiedState(): void;
}
export declare class QueryBuilderTree {
    queryBuilder: QueryBuilder;
    readonly getChildRequests: Map<string, GetChildRequest>;
    readonly getItemsRequests: Map<string, GetItemsRequest>;
    readonly requests: Map<string, WildcardRequest>;
    constructor(queryBuilder: QueryBuilder);
    addRequest(operationPath: Array<OperationPathPart>, callback?: QueryPartCallback): DisposeRequest;
    findRequest(operationPath: Array<OperationPathPart>): AnyRequest | undefined;
    isEmpty(): boolean;
    isPending(): boolean;
    removeRequest(request: AnyRequest): void;
}