/**
 * Check if the given string starts and ends with the given letter
 */
export declare function startAndEndsWith(str: string, letter: string): boolean;
/**
 * Removes all whitespace in the given string
 */
export declare function withoutWhitespace(output: string): string;
/**
 * Find the longest common prefix in an array of strings
 */
export declare function longestCommonPrefix(strings: string[]): string;
/**
 * Join a list of strings, but with special handling for the last element/scenarios in which the array contains exactly two elements.
 * The goal is to create (partial) sentences like `a, b, and c` or `a and b`.
 */
export declare function joinWithLast(strs: readonly string[], { join, last, joinTwo }?: {
    join?: string;
    last?: string;
    joinTwo?: string;
}): string;
/**
 * Check if the given path is an absolute path.
 */
export declare function isAbsolutePath(p: string, regex: RegExp | undefined): boolean;
/** collect '-' at the start until '[' or '(' is reached, then drop the same from the end if present otherwise return the value as is */
export declare function dropRawStringSurround(value: string): string;