import { Construct } from 'constructs';
/** Checks if the given feature is enabled or not.
 *
 * The toggle configuration is stored in context section of json file.
 * It returns true if the value is 'true'. All other values are interpreted as 'false'.
 * If no toggle is found, it returns the given fallback (default is false);
 *
 * The key of json context should include the ticket number.
 *
 * Example json
 * \{
 *    context: \{
 *      "rioclaid-1234-awesomeFeatureToggle": "true"
 *    \}
 * \}
 *
 * @param context - Either the projen project or a cdk construct. Used to look up the json config.
 * @param toggleName - Name of the feature toggle. (example: rioclaid-1234-awesomeFeatureToggle)
 * @param fallback - Default return value if no configuration for the toggle exist.
 * @deprecated - Will be removed in the next major version
 */
export declare function isToggleEnabled(context: Construct, toggleName: string, fallback?: boolean): boolean;