export type WorkspaceFileReadErrorCode = "workspace_file_invalid_request" | "workspace_file_unavailable" | "workspace_file_changed";
export declare class WorkspaceFileReadError extends Error {
    readonly code: WorkspaceFileReadErrorCode;
    constructor(code: WorkspaceFileReadErrorCode);
}
export interface WorkspaceFileReadResult {
    sizeBytes: number;
    sha256: string;
    chunkCount: number;
}
export declare function readWorkspaceFile(workspaceRoot: string, relativePath: string, options: {
    maxBytes: number;
    expectedSizeBytes: number;
    expectedSha256: string;
    onChunk(chunkIndex: number, content: Buffer): Promise<void>;
}): Promise<WorkspaceFileReadResult>;