import { VariableValue } from './variable';
import { FeatureConfiguration } from './featureConfiguration';
export declare enum FeatureSource {
    api = "api",
    dashboard = "dashboard"
}
export declare class Variation<IdType = string> {
    /**
     * Mongo primary _id.
     */
    _id: IdType;
    name: string;
    key: string;
    /**
     * Defining variable values.
     */
    variables: {
        /**
         * Variable model mongo _id.
         */
        _var: IdType;
        /**
         * Variable value to set for Variation.
         */
        value: VariableValue;
    }[];
}
export declare enum FeatureType {
    release = "release",
    experiment = "experiment",
    permission = "permission",
    ops = "ops"
}
export type FeatureSettings = {
    optInEnabled: boolean;
    publicName: string;
    publicDescription: string;
};
/**
 * Feature Model. Defines the project-level "container" for a given feature
 */
export declare class Feature<IdType = string> {
    /**
     * Mongo primary _id.
     */
    _id: IdType;
    /**
     * Define the feature type.
     */
    type: FeatureType;
    /**
     * Unique key by Project, can be used in the SDK / API to reference by 'key' rather than _id.
     * Must only contain lower-case characters and `_` or `-`.
     */
    key: string;
    /**
     * Variation configurations to be used by feature configurations.
     */
    variations: Variation<IdType>[];
    configuration: FeatureConfiguration<IdType>;
    /**
     * Defines feature-level settings
     */
    settings?: FeatureSettings;
    /**
     * List of tags for feature
     */
    tags?: string[];
}