import { type CompletionRequestOptions, type UseCompletionOptions } from 'ai';
export type CompletionOptions<BODY extends object = object> = Readonly<UseCompletionOptions<BODY>>;
export declare class Completion<BODY extends object = object> {
    #private;
    /** The current completion result */
    get completion(): string;
    set completion(value: string);
    /** The error object of the API request */
    get error(): Error | undefined;
    /** The current value of the input. Writable, so it can be bound to form inputs. */
    input: string;
    /**
     * Flag that indicates whether an API request is in progress.
     */
    get loading(): boolean;
    constructor(options?: CompletionOptions<NoInfer<BODY>>);
    /**
     * Abort the current request immediately, keep the generated tokens if any.
     */
    stop: () => void;
    /**
     * Send a new prompt to the API endpoint and update the completion state.
     */
    complete: (prompt: string, options?: CompletionRequestOptions<BODY>) => Promise<string | null | undefined>;
    /** Form submission handler to automatically reset input and call the completion API */
    handleSubmit: (event?: {
        preventDefault?: () => void;
    }) => Promise<void>;
}
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