import { OperationData } from '@ts-gql/tag';
import { GitHubConfig, LocalConfig } from '../../config';
import { ReactNode } from 'react';
import { TreeEntry, TreeNode } from '../trees';
import { DataState } from '../useData';
import { MaybePromise } from '../utils';
export declare function fetchLocalTree(sha: string): MaybePromise<{
    entries: Map<string, TreeEntry>;
    tree: Map<string, TreeNode>;
}>;
export declare function useSetTreeSha(): (sha: string) => void;
export declare const SetTreeShaContext: import("react").Context<(sha: string) => void>;
export declare function LocalAppShellProvider(props: {
    config: LocalConfig;
    children: ReactNode;
}): JSX.Element;
export declare function GitHubAppShellProvider(props: {
    currentBranch: string;
    config: GitHubConfig;
    children: ReactNode;
}): JSX.Element;
export declare const AppShellErrorContext: import("react").Context<Error | undefined>;
type Filepath = string;
export type TreeData = {
    entries: Map<Filepath, TreeEntry>;
    tree: Map<string, TreeNode>;
};
type AllTreeData = {
    current: DataState<TreeData>;
    default: DataState<TreeData>;
    merged: DataState<{
        current: TreeData;
        default: TreeData;
    }>;
};
export declare function useTree(): AllTreeData;
export declare function useChanged(): {
    collections: Map<string, {
        added: Set<string>;
        removed: Set<string>;
        changed: Set<string>;
    }>;
    singletons: Set<string>;
};
export declare function useBaseCommit(): string;
export declare function useRepositoryId(): string;
export declare const AppShellQuery: import("../../__generated__/ts-gql/AppShell").type;
export type AppShellData = OperationData<typeof AppShellQuery>;
export declare function hydrateTreeCacheWithEntries(entries: TreeEntry[]): Promise<{
    entries: Map<string, TreeEntry>;
    tree: Map<string, TreeNode>;
}>;
export declare function fetchGitHubTreeData(sha: string, repo: {
    owner: string;
    name: string;
}): MaybePromise<{
    entries: Map<string, TreeEntry>;
    tree: Map<string, TreeNode>;
}>;
export declare const BranchInfoContext: import("react").Context<{
    currentBranch: string;
    allBranches: string[];
    branchNameToId: Map<string, string>;
    defaultBranch: string;
    hasPullRequests: boolean;
}>;
export {};