/**
 * A minimal keyboard-driven prompt set.
 *
 * Hand-rolled rather than pulled from a dependency: the primary invocation of
 * this CLI is `npx --yes @wildorder/program-pipeline`, where every transitive
 * dependency is a user-visible download, and these prompts need to render
 * per-row annotations (resolved path, detection state) that a generic
 * checkbox prompt fights.
 */
interface PromptInput {
    isTTY?: boolean | undefined;
    setRawMode?: (mode: boolean) => unknown;
    setEncoding: (encoding: BufferEncoding) => unknown;
    on: (event: "data", listener: (chunk: string) => void) => unknown;
    off: (event: "data", listener: (chunk: string) => void) => unknown;
    resume: () => unknown;
    pause: () => unknown;
}
interface PromptOutput {
    isTTY?: boolean | undefined;
    write: (chunk: string) => unknown;
}
export interface PromptStreams {
    input: PromptInput;
    output: PromptOutput;
}
export interface Choice<T> {
    value: T;
    label: string;
    /** Right-hand annotation, dimmed. */
    hint?: string;
}
export declare function defaultStreams(): PromptStreams;
/**
 * Prompting is only safe when a human is on both ends. The CLI is also driven
 * by npm lifecycle hooks, CI, and the packaged skills themselves — a blocking
 * read in any of those hangs the process.
 */
export declare function isInteractive(streams?: PromptStreams, env?: NodeJS.ProcessEnv): boolean;
export interface ChooseManyOptions<T> {
    title: string;
    choices: Array<Choice<T>>;
    /** Values checked when the prompt opens. */
    initial: T[];
    streams?: PromptStreams;
    env?: NodeJS.ProcessEnv;
}
/**
 * Multi-select. Resolves `undefined` when the user cancels, which callers must
 * distinguish from an empty selection.
 */
export declare function chooseMany<T>(options: ChooseManyOptions<T>): Promise<T[] | undefined>;
export interface ChooseOneOptions<T> {
    title: string;
    choices: Array<Choice<T>>;
    initial: T;
    streams?: PromptStreams;
    env?: NodeJS.ProcessEnv;
}
/** Single-select. Resolves `undefined` when the user cancels. */
export declare function chooseOne<T>(options: ChooseOneOptions<T>): Promise<T | undefined>;
export interface ConfirmOptions {
    title: string;
    initial?: boolean;
    streams?: PromptStreams;
    env?: NodeJS.ProcessEnv;
}
export declare function confirm(options: ConfirmOptions): Promise<boolean | undefined>;
export {};
//# sourceMappingURL=prompt.d.ts.map