export declare const isSingleQuoted: (maybeQuotedString: string) => boolean;
export declare const isDoubleQuoted: (maybeQuotedString: string) => boolean;
export declare const isQuoted: (maybeQuotedString: string) => boolean;
/**
 * Normalizes a string by removing surrounding quotes and unescaping corresponding escaped quotes
 * @param maybeQuotedString string to remove surrounding quotes from
 * @returns {string} unquoted, unescaped string
 */
export declare const normaliseJqlString: (maybeQuotedString: string) => string;