import type { MemeshDatabase } from '../storage/sqlite.js';
export interface AgentMessageStorageReportOptions {
    cutoff: Date | string;
    databasePath?: string;
}
export interface AgentMessageStorageReport {
    message_count: number;
    delivery_count: number;
    event_count: number;
    receipt_count: number;
    cursor_count: number;
    principal_count: number;
    session_instance_count: number;
    session_connection_count: number;
    presence_fact_count: number;
    dispatch_attempt_count: number;
    host_accept_count: number;
    ack_fact_count: number;
    workflow_fact_count: number;
    retention_fact_count: number;
    payload_bytes: number;
    original_payload_bytes: number;
    tombstoned_message_count: number;
    protected_unresolved_message_count: number;
    terminal_retained_message_count: number;
    terminal_prunable_message_count: number;
    terminal_prunable_payload_bytes: number;
    reconciled_message_count: number;
    page_count: number;
    page_size: number;
    freelist_count: number;
    allocated_database_bytes: number;
    reusable_freelist_bytes: number;
    database_file_bytes: number | null;
    wal_file_bytes: number | null;
}
export interface AgentMessageRetentionOptions extends AgentMessageStorageReportOptions {
    batchSize?: number;
    dryRun?: boolean;
    actor?: string;
    fault?: {
        beforeTombstone?(candidate: AgentMessageRetentionCandidate): void;
    };
}
export interface AgentMessageRetentionCandidate {
    message_id: string;
    payload_bytes: number;
    payload_sha256: string;
}
export interface AgentMessageRetentionResult {
    dry_run: boolean;
    candidate_count: number;
    tombstoned_count: number;
    reclaimed_payload_bytes: number;
    candidates: AgentMessageRetentionCandidate[];
}
export interface AgentMessageStorageQuotaInput {
    quotaBytes: number;
    additionalPayloadBytes: number;
}
export declare class AgentMessageStorageError extends Error {
    readonly code: string;
    constructor(code: string, message: string);
}
export declare class AgentMessageStorageQuotaExceededError extends AgentMessageStorageError {
    readonly quotaBytes: number;
    readonly usedBytes: number;
    readonly requestedBytes: number;
    constructor(quotaBytes: number, usedBytes: number, requestedBytes: number);
}
export declare function getAgentMessageStorageReport(db: MemeshDatabase, options: AgentMessageStorageReportOptions): AgentMessageStorageReport;
export declare function pruneTerminalAgentMessagePayloads(db: MemeshDatabase, options: AgentMessageRetentionOptions): AgentMessageRetentionResult;
export declare function enforceAgentMessageStorageQuota(db: MemeshDatabase, input: AgentMessageStorageQuotaInput): void;
export declare function agentMessagePayloadStorageBytes(payloadJson: string): number;
export declare function normalizeAgentMessageCutoff(value: Date | string): string;
export declare const AGENT_MESSAGE_TERMINAL_WORKFLOW_STATES: readonly string[];
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