export interface ArcadeLifecycleStatus {
    txStatus: string;
    status?: number;
    extraInfo?: string;
}
export interface ArcadeRejectionClassification {
    terminal: boolean;
    inputConflict: boolean;
    reqStatus: 'invalid' | 'doubleSpend';
    reason: string;
}
/**
 * Canonical classification shared by Arcade polling and SSE. Keeping this in
 * one place prevents a provider from calling a rejection "unknown" while the
 * monitor's event path calls the same status terminal.
 */
export declare function classifyArcadeRejection(event: ArcadeLifecycleStatus): ArcadeRejectionClassification;
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