export declare const WORKSPACE_PATH_MAX_BYTES: number;
export declare const WORKSPACE_STREAM_CHUNK_BYTES: number;
/** A capacity floor, not a total filename budget. Leave room for the host. */
export declare function assertWorkspaceManifestDiskSpace(directory: string, requiredBytes?: number): number;
export interface PathManifest {
    kind: "path_manifest";
    version: 1;
    filePath: string;
    category: string;
    count: number;
}
export type WorkspacePaths = readonly string[] | PathManifest;
export declare function assertWorkspaceRelativePath(value: string): void;
export declare function isPathManifest(value: WorkspacePaths): value is PathManifest;
/** One private database, sealed before it is published. Consumers open read-only. */
export declare class WorkspaceManifestWriter {
    readonly filePath: string;
    private readonly db;
    private readonly insert;
    private closed;
    private bytesSinceDiskCheck;
    constructor(filePath: string);
    add(category: string, relative: string, value?: string): void;
    batch(work: () => void): void;
    paths(category: string): PathManifest;
    close(commit?: boolean): void;
}
export declare class WorkspaceManifestMap<T> {
    readonly manifest: PathManifest;
    private readonly parse;
    private db;
    private lookup;
    constructor(manifest: PathManifest, parse: (value: string) => T);
    get size(): number;
    get(relative: string): T | undefined;
    has(relative: string): boolean;
    entries(reverse?: boolean): Generator<[string, T]>;
    [Symbol.iterator](): Generator<[string, T]>;
    close(): void;
}
export declare function createWorkspaceManifest(prefix?: string): Promise<WorkspaceManifestWriter>;
export declare function readManifestRecords(manifest: PathManifest, reverse?: boolean): Generator<[string, string]>;
export declare function workspacePaths(paths: WorkspacePaths): Generator<string>;
/** Exact paths and their descendants; Git ignore output is literal, not a glob. */
export declare function workspacePathMatcher(paths?: WorkspacePaths): {
    matches(relative: string): boolean;
    close(): void;
};
/** Incremental NUL parser: one bounded record, strict UTF-8, no partial success. */
export declare class WorkspaceNulParser {
    private readonly record;
    private readonly pending;
    private length;
    private readonly decoder;
    constructor(record: (relative: string) => void);
    write(chunk: Buffer): void;
    finish(): void;
}
export declare function writeWorkspacePaths(paths: WorkspacePaths, target: string): Promise<void>;
export declare function manifestFileSha256(filePath: string): Promise<string>;
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