export type DiffVisibilityLevel = "none" | "git" | "adapter_reported";
export type VerifierCompatibility = "full" | "proof" | "unsupported";
export type SandboxExpectation = "host_process" | "workspace_write" | "provider_managed" | "not_applicable";
export type LaunchReadiness = "path_lookup" | "configured_endpoint" | "built_in";
export type AdapterUsageSettlement = "actual" | "estimated" | "unavailable";
export interface AdapterCapabilityDescriptor {
    preflight: boolean;
    usageSettlement: AdapterUsageSettlement;
    diffVisibility: DiffVisibilityLevel;
    structuredErrors: boolean;
    cachingSignals: boolean;
    verifierCompatibility: VerifierCompatibility;
    sandboxExpectation: SandboxExpectation;
    launchReadiness: LaunchReadiness;
}
export declare function createAdapterCapabilityDescriptor(overrides?: Partial<AdapterCapabilityDescriptor>): AdapterCapabilityDescriptor;
export declare function getBuiltInEngineCapabilityDescriptor(engine: "claude" | "codex"): AdapterCapabilityDescriptor;