import type { AgentWorkspaceBranching } from "@tangle-network/agent-interface";
import type { SandboxClientLike, SandboxInstanceLike, TangleConfidentialAttestationVerifier } from "./tangle-types.js";
export interface TangleWorkspaceBranchingOptions {
    box: SandboxInstanceLike;
    client: SandboxClientLike;
    provider: string;
    confidentialAttestationVerifier?: TangleConfidentialAttestationVerifier;
}
/**
 * Carry the verifier only when the caller supplied one. Every option type that
 * accepts it is exact-optional, so an explicit `undefined` is not an absent key.
 */
export declare function confidentialVerifierOption(verifier: TangleConfidentialAttestationVerifier | undefined): {
    confidentialAttestationVerifier?: TangleConfidentialAttestationVerifier;
};
/**
 * Build the exact workspace contract over the managed Sandbox operations.
 *
 * The adapter requires list and lookup surfaces in addition to create and
 * delete methods. Without recovery, it cannot safely claim durable branching.
 */
export declare function createTangleWorkspaceBranching(options: TangleWorkspaceBranchingOptions): AgentWorkspaceBranching | undefined;
/** Capability support requires every operation used by recovery and cleanup. */
export declare function supportsWorkspaceBranching(box: SandboxInstanceLike, client: SandboxClientLike): boolean;