/**
 * Pure input-parsing helpers extracted from App.ts.
 *
 * The old `handleCommand` method inlined `input.slice(1).split(' ')` and a
 * `.toLowerCase()` on every call, with no test coverage. Pulling the parse
 * into a pure function lets us unit-test the edge cases (extra whitespace,
 * empty args, uppercase, leading slash) directly.
 */
export interface ParsedCommand {
    /** Lower-cased command name, without the leading slash. */
    command: string;
    /** Remaining args, already split on spaces (empty strings removed). */
    args: string[];
}
/**
 * Parse a raw user input line that begins with `/` into a command name
 * and arguments. Trims and collapses runs of whitespace so `/scan   src`
 * behaves the same as `/scan src`.
 *
 * Returns `null` when the input doesn’t start with `/` or is blank.
 */
export declare function parseCommandInput(input: string): ParsedCommand | null;