import type { Agent, KyroInstalledAdapter, MachineAdapterRegistry, OperationPlan, OperationProjectionResult } from '../types';
/** Strict versioned schema: reject unknown fields, agents, duplicates and invalid timestamps. */
export declare function validateMachineAdapterRegistry(value: unknown): asserts value is MachineAdapterRegistry;
/** Pure preview read. Atomic rename makes unlocked readers see an entire old or new file. */
export declare function readMachineAdapterRegistry(): MachineAdapterRegistry;
/** Exclusive machine lock, independent of cwd/current/. Never reclaim a possibly live writer. */
export declare function withMachineAdapterRegistryLock<T>(work: () => T): T;
/** Caller must own the machine lock; fsync the sibling temporary file before atomic replacement. */
export declare function writeMachineAdapterRegistry(registry: MachineAdapterRegistry): void;
/** Legacy union only adds missing entries: a machine opt-out/integration choice always wins. */
export declare function mergeMachineAdapters(registry: MachineAdapterRegistry, legacy: KyroInstalledAdapter[], selected: Agent[], now: string): MachineAdapterRegistry;
/** Keep previews pure; persistence belongs to applyPlan, under the same machine lock. */
export declare function registerMachineAdapterPlan(plan: OperationPlan[], registry: MachineAdapterRegistry): void;
export declare function applyMachineAdapterPlan(plan: OperationPlan[], apply: (publish: (results: OperationProjectionResult[]) => void) => void): void;
//# sourceMappingURL=machine-registry.d.ts.map