/**
 * Resolves adapter metadata from @a5c-ai/adapters when available.
 *
 * Some environments used by validation and CI can load the babysitter SDK but
 * cannot load the full adapters runtime graph. In those cases we fall back to
 * a static metadata table so harness adapters can still resolve activation
 * signals, prompt capabilities, and session binding behavior.
 */
/**
 * Subset of adapters AgentCapabilities relevant to babysitter orchestration.
 */
export interface AdapterCapabilitiesSubset {
    supportsSkills: boolean;
    supportsThinking: boolean;
    supportsMCP: boolean;
    requiresToolApproval: boolean;
    supportsInteractiveMode: boolean;
    supportsStdinInjection: boolean;
    supportsSubagentDispatch: boolean;
    supportsParallelExecution: boolean;
    supportsImageInput: boolean;
    /** Whether the harness supports runtime hooks (stop-hook, pre-tool-use, etc.) */
    hasRuntimeHooks: boolean;
    /** Whether the harness has a blocking stop hook. */
    hasStopHook: boolean;
}
/**
 * Metadata resolved from an adapters adapter instance.
 */
export interface AdapterAdapterMetadata {
    /** The agent name in adapters (e.g. 'claude', 'codex', 'gemini'). */
    name: string;
    /** Env vars that indicate this harness is active. */
    hostEnvSignals: readonly string[];
    /** Subset of capabilities relevant to babysitter. */
    capabilities: AdapterCapabilitiesSubset;
    /** Session directory (resolved). */
    sessionDir: string;
}
/**
 * Override the adapters module for testing.
 * Pass `undefined` to restore require-based resolution.
 * @internal — test-only API, not part of the public surface.
 */
export declare function _setAmuxModuleForTesting(mod: Record<string, unknown> | undefined): void;
export declare function getAmuxAdapterMetadata(harnessName: string): AdapterAdapterMetadata;
/**
 * Clear the metadata cache. Useful for testing.
 */
export declare function clearAmuxMetadataCache(): void;
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