export declare const HARNERY_INBOX_RECORD_SCHEMA: "harnery.inbox-record/v1";
export declare const HARNERY_INBOX_STATUS_SCHEMA: "harnery.inbox-status/v1";
export interface HarneryInboxLimits {
    max_message_body_bytes: number;
    max_pending_count: number;
    max_pending_bytes: number;
    max_history_bytes: number;
    max_history_records: number;
    warning_pressure_ratio: number;
    max_surface_count: number;
    max_surface_bytes: number;
    max_surface_tokens: number;
    surfaced_grace_ms: number;
    terminal_grace_ms: number;
}
export interface HarneryInboxMessageRecordV1 {
    schema: typeof HARNERY_INBOX_RECORD_SCHEMA;
    kind: "message";
    message_id: string;
    sender_instance_id: string;
    sender_display_name: string;
    recipient_instance_id: string;
    recipient_display_name: string;
    created_at: string;
    body: string;
    body_bytes: number;
}
export interface HarneryInboxSurfacedRecordV1 {
    schema: typeof HARNERY_INBOX_RECORD_SCHEMA;
    kind: "surfaced";
    message_id: string;
    surfaced_at: string;
}
export type HarneryInboxRecordV1 = HarneryInboxMessageRecordV1 | HarneryInboxSurfacedRecordV1;
export interface HarneryInboxStatusV1 {
    schema: typeof HARNERY_INBOX_STATUS_SCHEMA;
    recipient_instance_id: string;
    pending_count: number;
    pending_bytes: number;
    total_history_bytes: number;
    oldest_pending_at?: string;
    pressure: "normal" | "warning" | "exhausted";
    last_surface_at?: string;
    last_compaction_at?: string;
}
export type HarneryInboxCapacityReason = "message_body_limit" | "pending_count_limit" | "pending_bytes_limit" | "history_bytes_limit";
export declare class HarneryInboxCapacityError extends Error {
    readonly reason_code: HarneryInboxCapacityReason;
    readonly current: number;
    readonly limit: number;
    constructor(reason_code: HarneryInboxCapacityReason, current: number, limit: number);
}
export interface HarneryInboxSurfaceBudget {
    max_count: number;
    max_bytes: number;
    max_tokens: number;
}
export interface HarneryInboxSurfaceResult {
    emitted: readonly HarneryInboxMessageRecordV1[];
    remaining_pending_count: number;
    remaining_pending_bytes: number;
    repeated_after_crash_possible: true;
}
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