export declare type FileChangeType = 'modified' | 'added' | 'removed' | 'unchanged';
/** Describes single object’s data, can be text with specified encoding or binary data. */
export declare type ObjectData = null | {
    value: string;
    encoding: string;
} | {
    value: Uint8Array;
    encoding: undefined;
};
/** Maps a set of object paths to respective data. */
export interface ObjectDataset {
    [objectPath: string]: ObjectData;
}
/** Maps a set of object paths to object’s change status. */
export interface ObjectChangeStatusSet {
    [objectPath: string]: FileChangeType;
}
/** Describes a query to retrieve which objects exist without knowing their paths. */
export interface ObjectQuery {
    pathPrefix: string;
    contentSubstring?: string;
}
/** Describes a query to get object data for specified object paths. */
export declare type ObjectDataRequest = Record<string, 'utf-8' | 'binary'>;
/**
 * Describes a change made to a single object.
 *
 * For data consistency, users must provide `oldValue` to indicate which value should be replaced;
 * if preexisting value is different from `oldValue` then there was likely a race condition
 * (object data changed e.g. by another user), the new value should not be written
 * and user should be informed about a conflict.
 *
 * `encoding` is not expected to change through the lifetime of an object.
 */
export declare type ObjectChange = {
    newValue: string | null;
    encoding: string;
    oldValue?: string | null;
} | {
    newValue: Uint8Array | null;
    encoding: undefined;
    oldValue?: Uint8Array | null;
};
/** Maps object data changes to object paths. */
export interface ObjectChangeset {
    [objectPath: string]: ObjectChange;
}
/** The result of applying an ObjectChangeset. */
export interface CommitOutcome {
    newCommitHash?: string;
    conflicts?: {
        [objectPath: string]: true;
    };
}