/**
 * Transform into a string with the separator denoted by the next word capitalized.
 * ```
 * toCamelCase("test string") //=> "testString"
 * ```
 **/
export declare const toCamelCase: (input: string) => string;
export declare const toCamelcase: (input: string) => string;
/**
 * Transform into a space separated string with each word capitalized.
 * ```
 * toCapitalCase("test string") //=> "Test String"
 * ```
 **/
export declare const toCapitalCase: (input: string) => string;
export declare const toTitleCaseBasic: (input: string) => string;
/**
 * Transform into upper case string with an underscore between words.
 * ```
 * toConstantCase("test string") //=> "TEST_STRING"
 * ```
 **/
export declare const toConstantCase: (input: string) => string;
/**
 * Transform into a lower case string with a period between words.
 * ```
 * toDotCase("test string") //=> "test.string"
 * ```
 **/
export declare const toDotCase: (input: string) => string;
/**
 * Transform into a dash separated string of capitalized words.
 * ```
 * toHeaderCase("test string") //=> "Test-String"
 * ```
 **/
export declare const toHeaderCase: (input: string) => string;
/**
 * Transform into a lower cased string with spaces between words.
 * ```
 * toNoCase("testString") //=> "test string"
 * ```
 **/
export declare const toNoCase: (input: string) => string;
/**
 * Transform into a lower cased string with dashes between words. Also known as param-case
 * ```
 * toKebabCase("test string") //=> "test-string"
 * ```
 **/
export declare const toKebabCase: (input: string) => string;
/**
 * Transform into a string of capitalized words without separators.
 * ```
 * toPascalCase("test string") //=> "TestString"
 * ```
 **/
export declare const toPascalCase: (input: string) => string;
/**
 * Transform into a lower case string with slashes between words.
 * ```
 * toPathCase("test string") //=> "test/string"
 * ```
 **/
export declare const toPathCase: (input: string) => string;
/**
 * Transform into a lower case with spaces between words, then capitalize the string.
 * ```
 * toSentenceCase("testString") //=> "Test string"
 * ```
 **/
export declare const toSentenceCase: (input: string) => string;
/**
 * Transform into a lower case string with underscores between words.
 * ```
 * toSnakeCase("test string") //=> "Test string"
 * ```
 **/
export declare const toSnakeCase: (input: string) => string;
/**
 * Transform into a lower case string with underscores between words.
 * ```
 * toTitleCase("test string") //=> "Test string"
 * toTitleCase("string"); //=> "String"
 * toTitleCase("follow step-by-step instructions"); //=> "Follow Step-by-Step Instructions"
 * ```
 **/
export declare const toTitleCase: (input: string) => string;