import { ReactNode } from 'react';
/**
 * Visual variants for the DropZone component
 */
export type DropZoneVariant = 'default' | 'compact';
/**
 * Size variants for the DropZone component
 */
export type DropZoneSize = 'sm' | 'md' | 'lg';
/**
 * Existing file from URL to display as initial value
 * (From ib-ui UploadFile)
 */
export interface ExistingFile {
    /** URL to the existing file */
    url: string;
    /** File name to display */
    name?: string;
    /** File size in bytes */
    size?: number;
}
/**
 * Props for the DropZone component
 */
export interface DropZoneProps {
    /** Called when files are dropped or selected */
    onFilesSelect: (files: File[]) => void;
    /** Accepted file types (e.g., ['image/*', '.pdf', 'video/*']) */
    accept?: string[];
    /** Allow multiple file selection */
    multiple?: boolean;
    /** Disabled state */
    disabled?: boolean;
    /** Visual variant */
    variant?: DropZoneVariant;
    /** Size variant */
    size?: DropZoneSize;
    /** Custom content to display in drop zone */
    children?: ReactNode;
    /** Show default icon and text if no children */
    showDefaultContent?: boolean;
    /** Max file size in bytes (for display hint, not validation) */
    maxSizeHint?: number;
    /** Custom size hint text to display instead of computed "Max size: X MB" */
    sizeHintText?: string;
    /** Additional CSS classes */
    className?: string;
    /** Accessible label for the dropzone */
    'aria-label'?: string;
    /** Test ID for testing (deprecated, use dataTestId) */
    'data-testid'?: string;
    /** Test identifier for automated testing */
    dataTestId?: string;
    /** Data identifier for ib-ui compatibility */
    dataId?: string;
    /**
     * Maximum file size in bytes for validation
     * When exceeded, triggers onError callback
     */
    maxSize?: number;
    /**
     * Callback for validation errors (e.g., file too large)
     */
    onError?: (error: string) => void;
    /**
     * Custom text to display instead of default "Drag & drop..."
     */
    text?: ReactNode;
    /**
     * Custom browse link text instead of default "browse"
     */
    browseText?: ReactNode;
    /**
     * Whether to show preview when files are selected
     */
    showPreview?: boolean;
    /**
     * Custom change button text for preview mode
     */
    changeButtonText?: ReactNode;
    /**
     * Callback when change button is clicked in preview mode
     * If not provided, clicking change opens file dialog
     */
    onChangeClick?: () => void;
    /**
     * Controlled value - files to display in preview
     */
    value?: File[];
    /**
     * Existing file from URL to display as initial value
     */
    existingFile?: ExistingFile;
    /**
     * Callback when existing file is cleared
     */
    onClearExisting?: () => void;
    /**
     * Whether to allow removing files (show remove button)
     * @default true
     */
    allowRemove?: boolean;
    /**
     * External error message to display
     */
    error?: string;
    /**
     * Callback to set external error state
     */
    setError?: (error: string | null) => void;
    /**
     * Upload progress percentage (0-100)
     * When provided, shows a progress indicator
     */
    progress?: number;
    /**
     * Whether files are currently being uploaded
     * Shows loading state on preview
     */
    uploading?: boolean;
    /**
     * Callback when files are cleared/removed
     */
    onClear?: () => void;
}
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