export type LTEscalationStatus = 'pending' | 'resolved' | 'cancelled';
export type LTEscalationPriority = 1 | 2 | 3 | 4;
export interface LTEscalationRecord {
    id: string;
    type: string;
    subtype: string;
    description: string | null;
    status: LTEscalationStatus;
    priority: LTEscalationPriority;
    task_id: string | null;
    origin_id: string | null;
    parent_id: string | null;
    workflow_id: string | null;
    task_queue: string | null;
    workflow_type: string | null;
    signal_key: string | null;
    role: string;
    assigned_to: string | null;
    assigned_until: Date | null;
    resolved_at: Date | null;
    claimed_at: Date | null;
    envelope: string;
    metadata: Record<string, any> | null;
    escalation_payload: string | null;
    resolver_payload: string | null;
    trace_id: string | null;
    span_id: string | null;
    created_at: Date;
    updated_at: Date;
}
/**
 * An escalation is "effectively claimed" when assigned_to is set
 * and assigned_until is in the future. Status remains 'pending'.
 */
export declare function isEffectivelyClaimed(esc: LTEscalationRecord): boolean;
/**
 * An escalation is "available" when status is pending and
 * either unassigned or the assignment has expired.
 */
export declare function isAvailable(esc: LTEscalationRecord): boolean;