/**
 * Convert data-bound value (usually a string) to a boolean value by force
 * @param value true or false
 */
export declare function coerceBooleanProperty(value: any): boolean;
/**
 * Convert data-bound value (usually a string) to a number value by force
 * @param value number
 */
export declare function coerceNumberProperty(value: any): number;
export declare function coerceNumberProperty<D>(value: any, fallback: D): number | D;
/**
 * Determines whether the provided value is considered a number.
 * @param value The input value
 */
export declare function _isNumberValue(value: any): boolean;
/**
 * Compatibility with CommonJS and ES modules for strict-typing enforcement
 * https://medium.com/lacolaco-blog/angular-dynamic-importing-large-libraries-8ec079603d0
 * @param importPromise
 * @returns
 */
export declare function normalizeCommonJSImport<T>(importPromise: Promise<T>): Promise<T>;