export declare const COHORT_PARAMETER = "cohort";
export declare const NOT_ENROLLED = "not-enrolled";
export declare const CONTROL = "control";
export declare const EXPERIMENT = "experiment";
export declare const VARIATION = "variation";
export declare const VAR1 = "variation_1";
export declare const VAR2 = "variation_2";
export declare const VAR3 = "variation_3";
export declare const VAR4 = "variation_4";
export declare const cohorts: {
    readonly NOT_ENROLLED: 'not-enrolled';
    readonly CONTROL: 'control';
    readonly EXPERIMENT: 'experiment';
    readonly VARIATION: 'variation';
    readonly VAR1: 'variation_1';
    readonly VAR2: 'variation_2';
    readonly VAR3: 'variation_3';
    readonly VAR4: 'variation_4';
};
export declare const DEFAULT_VALID_EXPERIMENT_COHORTS: ('not-enrolled' | 'control' | 'experiment' | 'variation' | 'variation_1' | 'variation_2' | 'variation_3' | 'variation_4')[];
export type CohortKeys = keyof typeof cohorts;
export type Cohort = (typeof cohorts)[CohortKeys];
export declare const getIsExperimentEnabled: (experimentName: string, variantKey?: Cohort, validExperimentCohorts?: Cohort[], fireExperimentExposure?: boolean) => boolean;