GeezerVison

/**
  * Looks for the first match of pattern (see §6.4.1) in the string s. If it
  * finds a match, then find returns the indices of s where this occurrence
  * starts and ends; otherwise, it returns nil.
  * /

function find(
    s: string,
    pattern: string,
    init?: number,
    plain?: boolean
): LuaMultiReturn<[number, number, ...string[]] | []> ;

function find(
    s: string,
    pattern: string,
    init?: number,
    plain?: boolean
): LuaMultiReturn<[number?, number?, ...string[]] | []> ;