export type ReadonlyRecord<K extends PropertyKey, V> = Readonly<Record<K, V>>;
/**
 * Helper function to throw an error if the provided value is equal to `undefined`.
 *
 * This is useful to have TypeScript narrow a `T | undefined` value to `T` in a concise way.
 */
export declare function assertDefined<T>(value: T, ...[msg]: [undefined] extends [T] ? [string] : [
    "The assertion is useless because the provided value does not contain undefined."
]): asserts value is Exclude<T, undefined>;
export declare function capitalizeFirstLetter(string: string): string;
/**
 * From:
 * https://stackoverflow.com/questions/8334606/check-if-first-letter-of-word-is-a-capital-letter
 */
export declare function isFirstLetterCapitalized(string: string): boolean;
/**
 * Helper function to trim a prefix from a string, if it exists. Returns the trimmed string.
 *
 * @param string The string to trim.
 * @param prefix The prefix to trim.
 * @param trimAll Whether to remove multiple instances of the prefix, if they exist. If this is set
 *                to true, the prefix must only be a single character.
 */
export declare function trimPrefix(string: string, prefix: string, trimAll?: boolean): string;
//# sourceMappingURL=completeCommon.d.ts.map