export declare const BASE_RESERVED_CHARACTERS = " *,\\()!<>=\"$:[\\]~";
export declare const RESERVED_CHARACTERS = " *,\\()!<>=\"$:[\\]~\\\\";
/**
 * Regex that matches all characters that need to be escaped, but are not.
 * The backslash needs to be excluded in the BASE_RESERVED_CHARACTERS to not get
 * overlapping matches.
 * E.g. foo = \*
 * Should not match, but would if we included the backslash in the first character set.
 * Regex + Javascript string escaping = Fun with backslashes.
 * https://regex101.com/r/gPeWnE
 * @internal
 */
export declare const NEEDS_ESCAPING_REGEX = "(?<!\\\\)(?:\\\\\\\\)*[ *,\\()!<>=\"$:[\\]~]|(\\\\$)";
/**
 * Regex that matches all escaped characters, including the escape character and escaped character.
 * https://regex101.com/r/LNo0qJ/1
 * @internal
 */
export declare const ESCAPED_CHARACTERS_REGEX: RegExp;
/**
 * Escapes a suggestion value by wrapping it in double quotes if it contains
 * reserved characters that need escaping.
 *
 * @param value - The suggestion value to escape.
 * @returns The escaped suggestion value, wrapped in double quotes if necessary.
 * @public
 */
export declare function escapeSuggestion(value: string): string;