export interface CopyOptions {
    value?: string | (() => string);
    feedbackDuration?: number;
    /** Trigger copy on host click. Default: false (for imperative use), true when used as trait. */
    trigger?: 'click' | false;
}
/** Copies a value to the clipboard and shows visual feedback, dispatching `native:copy`. */
export declare class CopyController {
    #private;
    readonly host: HTMLElement;
    value: string | (() => string);
    feedbackDuration: number;
    constructor(host: HTMLElement, options?: CopyOptions);
    copy(): Promise<void>;
    destroy(): void;
}
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