import type { Readable } from "svelte/store";
import type { ConfigurableNavigator } from "../_configurable";
export interface ClipboardOptions<Source> extends ConfigurableNavigator {
    /**
     * Enabled reading for clipboard
     *
     * @default false
     */
    read?: boolean;
    /**
     * Copy source
     */
    source?: Source;
    /**
     * Milliseconds to reset state of `copied` ref
     *
     * @default 1500
     */
    copied_during?: number;
    /**
     * Whether fallback to document.execCommand('copy') if clipboard is undefined.
     *
     * @default false
     */
    legacy?: boolean;
}
export interface ClipboardReturn<Optional> {
    is_supported: Readable<boolean>;
    text: Readable<string>;
    copied: Readable<boolean>;
    copy: Optional extends true ? (text?: string) => Promise<void> : (text: string) => Promise<void>;
}
/**
 * Reactive Clipboard API.
 *
 * @param options
 */
export declare function clipboard(options?: ClipboardOptions<undefined>): ClipboardReturn<false>;
export declare function clipboard(options: ClipboardOptions<string>): ClipboardReturn<true>;