import { AbstractExtension } from './extension.abstract';
export declare class Funnels extends AbstractExtension {
    eventFunnel(funnelDefinition: any): any;
    protected eventCubeJoin(funnelDefinition: any, step: any, prevStep: any): string;
    protected eventsTableName(step: any): string;
    protected stepUserIdColumnName(step: any): string;
    protected inflect(step: any): string;
    protected stepSegmentSelect(funnelDefinition: any, step: any): string;
}
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