import { customRules } from "./smart-case.types";
/**
 * Converts a string to title case.
 * @param inputString - The string to convert.
 * @returns The title case string.
 * @example
 * titleCase("hello world"); // "Hello World"
 * titleCase("HELLO WORLD"); // "Hello World"
 * titleCase("hello world", { wordsToAlwaysUpperCase:  ["world"] }); // "Hello WORLD"
 */
export declare const titleCase: (inputString: string, customRules?: customRules | undefined) => string;
/**
 * Converts a string to sentence case.
 * @param inputString - The string to convert.
 * @returns The sentence case string.
 * @example
 * sentenceCase("hello world"); // "Hello world"
 * sentenceCase("HELLO WORLD"); // "Hello world"
 * sentenceCase("hello world", { wordsToAlwaysUpperCase:  ["world"] }); // "Hello WORLD"
 * sentenceCase("hello world", { wordsToAlwaysLowerCase:  ["hello"] }); // "hello world"
 */
export declare const sentenceCase: (inputString: string, customRules?: customRules | undefined) => string;
/**
 * Converts a string to camel case.
 * @param inputString - The string to convert.
 * @returns The camel case string.
 * @example
 * camelCase("hello world"); // "helloWorld"
 * camelCase("HELLO WORLD"); // "helloWorld"
 * camelCase("hello world", { wordsToAlwaysUpperCase:  ["world"] }); // "helloWORLD"
 */
export declare const camelCase: (inputString: string, customRules?: customRules | undefined) => string;
/**
 * Converts a string to pascal case.
 * @param inputString - The string to convert.
 * @returns The pascal case string.
 * @example
 * pascalCase("hello world"); // "HelloWorld"
 * pascalCase("HELLO WORLD"); // "HelloWorld"
 * pascalCase("hello world", { wordsToAlwaysUpperCase:  ["world"] }); // "HelloWORLD"
 */
export declare const pascalCase: (inputString: string, customRules?: customRules | undefined) => string;
/**
 * Converts a string to snake case.
 * @param inputString - The string to convert.
 * @returns The snake case string.
 * @example
 * snakeCase("hello world"); // "hello_world"
 * snakeCase("HELLO WORLD"); // "hello_world"
 * snakeCase("hello world", { wordsToAlwaysUpperCase:  ["world"] }); // "hello_WORLD"
 */
export declare const snakeCase: (inputString: string, customRules?: customRules | undefined) => string;
/**
 * Converts a string to kebab case.
 * @param inputString - The string to convert.
 * @returns The kebab case string.
 * @example
 * kebabCase("hello world"); // "hello-world"
 * kebabCase("HELLO WORLD"); // "hello-world"
 * kebabCase("hello world", { wordsToAlwaysUpperCase:  ["world"] }); // "hello-WORLD"
 */
export declare const kebabCase: (inputString: string, customRules?: customRules | undefined) => string;
/**
 * Converts a string to constant case.
 * @param inputString - The string to convert.
 * @returns The constant case string.
 * @example
 * constantCase("hello world"); // "HELLO_WORLD"
 * constantCase("HELLO WORLD"); // "HELLO_WORLD"
 * constantCase("hello world", { wordsToAlwaysUpperCase:  ["world"] }); // "HELLO_WORLD"
 */
export declare const constantCase: (inputString: string, customRules?: customRules | undefined) => string;
/**
 * Converts a string to dot case.
 * @param inputString - The string to convert.
 * @returns The dot case string.
 * @example
 * dotCase("hello world"); // "hello.world"
 * dotCase("HELLO WORLD"); // "hello.world"
 * dotCase("hello world", { wordsToAlwaysUpperCase:  ["world"] }); // "hello.WORLD"
 */
export declare const dotCase: (inputString: string, customRules?: customRules | undefined) => string;
/**
 * Converts a string to path case.
 * @param inputString - The string to convert.
 * @returns The path case string.
 * @example
 * pathCase("hello world"); // "hello/world"
 * pathCase("HELLO WORLD"); // "hello/world"
 * pathCase("hello world", { wordsToAlwaysUpperCase:  ["world"] }); // "hello/WORLD"
 */
export declare const pathCase: (inputString: string, customRules?: customRules | undefined) => string;