import type { ChangesBatch } from './Change.js';
import type { ReadonlyTree } from './Tree.js';
export interface RemoteSource {
    getTreeIfDifferent(sha: string): Promise<ReadonlyTree | undefined>;
    getBlobs(shas: Array<string>): AsyncGenerator<[sha: string, blob: Uint8Array]>;
}
export interface Source extends RemoteSource {
    getTree(): Promise<ReadonlyTree>;
    applyChanges(batch: ChangesBatch): Promise<void>;
}
export declare function bundleContents(source: RemoteSource, batch: ChangesBatch): Promise<ChangesBatch>;
export declare function diff(source: Source, remote: RemoteSource): Promise<ChangesBatch>;
export declare function syncWith(source: Source, remote: RemoteSource): Promise<ChangesBatch>;
export declare function transaction(source: Source): Promise<SourceTransaction>;
export declare class SourceTransaction {
    #private;
    constructor(source: Source, from: ReadonlyTree);
    add(path: string, contents: Uint8Array): this;
    remove(path: string): this;
    rename(from: string, to: string): this;
    compile(): Promise<{
        from: ReadonlyTree;
        into: ReadonlyTree;
        changes: (import("./Change.js").DeleteChange | {
            contents: Uint8Array | undefined;
            op: "add";
            path: string;
            sha: string;
        })[];
    }>;
}