import type { MonoAgentAppConfigInput } from "./app-config.js";
/** Every filesystem root removed by `restart --clear-sessions`. */
export interface ConversationStatePurgeRoots {
    readonly sessions?: string;
    readonly history: string;
    readonly acpSessions: string;
}
export type ConversationStatePurgeRootKind = "Pi provider sessions" | "durable session/tool history" | "ACP sessions";
export interface FileSystemIdentity {
    readonly dev: bigint;
    readonly ino: bigint;
}
export interface AttestedConversationStatePurgeTarget {
    readonly identity: FileSystemIdentity;
    readonly parent: AttestedConversationStatePurgeParent;
}
export interface AttestedConversationStatePurgeParent {
    readonly path: string;
    readonly canonicalPath: string;
    readonly identity: FileSystemIdentity;
}
export interface ResolvedConversationStatePurgeRoot {
    readonly kind: ConversationStatePurgeRootKind;
    readonly path: string;
    readonly canonicalPath: string;
    /** Present whenever the immediate parent exists, including after a crashed rename. */
    readonly parent?: AttestedConversationStatePurgeParent;
    /** Undefined when the configured root does not exist yet. */
    readonly target?: AttestedConversationStatePurgeTarget;
}
export interface ConversationStatePurgePlan {
    readonly roots: ConversationStatePurgeRoots;
    readonly sessions?: ResolvedConversationStatePurgeRoot;
    readonly history: ResolvedConversationStatePurgeRoot;
    readonly acpSessions: ResolvedConversationStatePurgeRoot;
}
export interface ConversationStateConfigSnapshot {
    readonly json: Readonly<Record<string, unknown>>;
}
export declare const CLEAR_SESSIONS_REGISTRY_DIRECTORY = "clear-sessions-v1";
export declare const CLEAR_SESSIONS_CONTROL_DIRECTORY = ".mono-agent-clear-sessions-v1";
export declare function clearSessionsRegistryRoot(cwd: string): string;
/**
 * Resolve reset roots once so startup validation and the destructive purge path
 * remain bound to the same config/env precedence and derived directories.
 */
export declare function resolveConversationStatePurgeRoots(input: MonoAgentAppConfigInput, snapshot?: ConversationStateConfigSnapshot): Promise<ConversationStatePurgeRoots>;
/** Resolve and identity-pin every destructive reset root before any traversal or removal. */
export declare function resolveConversationStatePurgePlan(input: MonoAgentAppConfigInput, snapshot?: ConversationStateConfigSnapshot): Promise<ConversationStatePurgePlan>;
/** Fail closed if any resolved reset target or its exact parent changed after preflight. */
export declare function assertConversationStatePurgePlanUnchanged(plan: ConversationStatePurgePlan): Promise<void>;
export declare function assertConversationStatePurgeRootUnchanged(expected: ResolvedConversationStatePurgeRoot): Promise<void>;
export declare function conversationStatePurgePlanEntries(plan: ConversationStatePurgePlan): readonly ResolvedConversationStatePurgeRoot[];
export declare function resolveAndAttestConversationStatePurgeRoot(kind: ConversationStatePurgeRootKind, path: string): Promise<ResolvedConversationStatePurgeRoot>;
export declare function sameFileSystemIdentity(value: {
    readonly dev: bigint;
    readonly ino: bigint;
}, expected: FileSystemIdentity): boolean;
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