/**
* Formats ANSI strings for test output.
* @param ansiString The ANSI string to format
* @returns An object with formatted representations of the string
*/
declare const formatAnsiString: (ansiString: string) => {
  ansi: string;
  json: string;
  lengthDifference: number;
  stripped: string;
  visible: string;
};
interface ExpectationResult {
  actual?: unknown;
  expected?: unknown;
  message: () => string;
  pass: boolean;
}
/**
* Creates an expect matcher that provides detailed information about ANSI string comparison failures.
* @param actual The actual ANSI string
* @param expected The expected ANSI string
* @returns A detailed comparison result
*/
declare const expectAnsiStrings: (actual: string, expected: string) => ExpectationResult;
/**
* Compares ANSI strings and returns the differences.
* @param actual The actual ANSI string
* @param expected The expected ANSI string
* @returns Details about the comparison
*/
declare const compareAnsiStrings: (actual: string, expected: string) => {
  actual: ReturnType<typeof formatAnsiString>;
  ansiEqual: boolean;
  expected: ReturnType<typeof formatAnsiString>;
  strippedEqual: boolean;
  summary: {
    actualLength: number;
    actualStrippedLength: number;
    ansiEqual: boolean;
    expectedLength: number;
    expectedStrippedLength: number;
    strippedEqual: boolean;
  };
};
export { ExpectationResult, compareAnsiStrings, expectAnsiStrings, formatAnsiString };