/**
 * Text transformer.
 */
type ITextTransformer = (text: string) => string;
/**
 * Compose multiple ITextTransformer into one.
 * @param transformers
 * @returns
 */
declare function composeTextTransformers(...transformers: ReadonlyArray<ITextTransformer>): ITextTransformer;
/**
 * Transform into a string with the separator
 * denoted by the next word capitalized.
 *
 *   'test string' => 'testString'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#camelcase
 */
declare const toCamelCase: ITextTransformer;
/**
 * Transform into a space separated string with each word capitalized.
 *
 *    'test string' => 'Test String'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#capitalCase
 */
declare const toCapitalCase: ITextTransformer;
/**
 * Transform into upper case string with an underscore between words.
 *
 *    'test string' => 'TEST_STRING'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#constantCase
 */
declare const toConstantCase: ITextTransformer;
/**
 * Transform into a lower case string with a period between words.
 *
 *    'test string' => 'test.string'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#dotcase
 */
declare const toDotCase: ITextTransformer;
/**
 * Transform into a lower cased string with dashes between words.
 *
 *    'test string' => 'test-string'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#paramcase
 */
declare const toKebabCase: ITextTransformer;
/**
 * Transforms the string to lower case.
 *
 *    'TEST STRING' => 'test string'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#lowerCase
 */
declare const toLowerCase: ITextTransformer;
/**
 * Transform into a string of capitalized words without separators.
 *
 *    'test string' => 'TestString'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#pascalcase
 */
declare const toPascalCase: ITextTransformer;
/**
 * Transform into a lower case string with slashes between words.
 *
 *    'test string' => 'test/string'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#pathcase
 */
declare const toPathCase: ITextTransformer;
/**
 * Transform into a lower case with spaces between words,
 * then capitalize the string.
 *
 *    'testString' => 'Test string'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#sentencecase
 */
declare const toSentenceCase: ITextTransformer;
/**
 * Transform into a lower case string with underscores between words.
 *
 *    'test string' => 'test_string'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#snakeCase
 */
declare const toSnakeCase: ITextTransformer;
/**
 * Transform a string into title case following English rules.
 *
 *    'a simple test' => 'A Simple Test'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#titlecase
 */
declare const toTitleCase: ITextTransformer;
/**
 * Perform trim operation
 *
 *    ' a simple test  ' => 'a simple test'
 *
 * @param text
 * @returns
 */
declare const toTrim: ITextTransformer;
/**
 * Transforms the string to upper case.
 *
 *    'test string' => 'TEST STRING'
 *
 * @param text
 * @see https://github.com/blakeembrey/change-case#upperCase
 */
declare const toUpperCase: ITextTransformer;

export { type ITextTransformer, composeTextTransformers, toCamelCase, toCapitalCase, toConstantCase, toDotCase, toKebabCase, toLowerCase, toPascalCase, toPathCase, toSentenceCase, toSnakeCase, toTitleCase, toTrim, toUpperCase };