export declare function normalizeCopilotLaunchArgs(args: string[]): string[];
export interface LaunchOptions {
    args: string[];
    bin?: string;
    cwd?: string;
    env?: NodeJS.ProcessEnv;
}
export interface LaunchResult {
    ok: boolean;
    exitCode: number;
    bin: string;
}
export declare function resolveCopilotBin(override?: string): string;
export declare function launchCopilot(options: LaunchOptions): Promise<LaunchResult>;