import type { EmptyObject } from '@xylabs/object';
import type { Promisable } from '@xylabs/promise';
import type { FunnelStartedFields } from './FunnelStartedFields.ts';
import type { TestStartedFields } from './TestStartedFields.ts';
import type { UserClickFields } from './UserClickFields.ts';
import type { ViewContentFields } from './ViewContentFields.ts';
/** Abstract base class for handling user tracking events. */
export declare abstract class UserEventHandler<TData extends EmptyObject> {
    /** Tracks a funnel-started event. */
    abstract funnelStarted<T extends TData>(fields: T | FunnelStartedFields): Promisable<void>;
    /** Tracks a test-started event. */
    abstract testStarted<T extends TData>(fields: T | TestStartedFields): Promisable<void>;
    /** Tracks a user click event. */
    abstract userClick<T extends TData>(fields: T | UserClickFields): Promisable<void>;
    /** Tracks a view-content event. */
    abstract viewContent<T extends TData>(fields: T | ViewContentFields): Promisable<void>;
}
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