interface PromptInputProps {
    placeholder?: string;
    maxLength?: number;
    charCount?: number;
}
/**
 * Textarea for entering companion system prompt or personality description.
 * Supports react-hook-form register() via forwardRef.
 */
export declare const PromptInput: import('react').ForwardRefExoticComponent<PromptInputProps & import('react').RefAttributes<HTMLTextAreaElement>>;
export {};
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