export type TransactEventName = 'onInteraction' | 'onDataRequest' | 'onAuthStatusUpdate' | 'onTaskStatusUpdate' | 'onLaunch' | 'onFinish' | 'onClose' | 'onCleanup' | 'onError';
export interface TransactHandlers {
    onInteraction?: Function;
    onDataRequest?: Function;
    onAuthStatusUpdate?: Function;
    onTaskStatusUpdate?: Function;
    onLaunch?: Function;
    onFinish?: Function;
    onClose?: Function;
    onCleanup?: Function;
    onError?: Function;
}
export interface TransactEnvelope {
    instanceId?: string;
    data?: unknown;
}
export type ResolveDataRequest = (instanceId: string, response: unknown) => void;
export declare function createInstanceId(): string;
export declare function addTransaction(instanceId: string, handlers: TransactHandlers): void;
export declare function removeTransaction(instanceId: string): void;
export declare function hasTransaction(instanceId: string): boolean;
export declare function getActiveCount(): number;
export declare function _resetForTests(): void;
export declare function parseEnvelope(raw: unknown): TransactEnvelope;
export declare function dispatchEvent(eventName: TransactEventName, instanceId: string, data: unknown, resolveDataRequest?: ResolveDataRequest): void | Promise<void>;
export declare function handleNativeEvent(eventName: TransactEventName, raw: unknown, resolveDataRequest?: ResolveDataRequest): void | Promise<void>;
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