/**
 * Velo Plot - Clipboard Module
 *
 * Provides clipboard operations for copying chart data to various formats.
 * Supports copying selected points, visible data, or all data.
 *
 * @module clipboard
 */
export type ClipboardFormat = 'tsv' | 'csv' | 'json' | 'markdown';
export interface ClipboardOptions {
    /** Output format (default: 'tsv' - Excel compatible) */
    format?: ClipboardFormat;
    /** Include column headers (default: true) */
    includeHeaders?: boolean;
    /** Decimal precision (default: 6) */
    precision?: number;
    /** Use scientific notation for very large/small numbers (default: true) */
    scientific?: boolean;
    /** Scientific notation threshold (default: 1e6) */
    scientificThreshold?: number;
    /** Custom column separator (overrides format default) */
    separator?: string;
    /** Custom line separator (default: '\n') */
    lineSeparator?: string;
    /** Include series name in output (default: true for multi-series) */
    includeSeriesName?: boolean;
    /** Custom header names */
    headers?: {
        x?: string;
        y?: string;
        series?: string;
    };
}
export interface ClipboardDataPoint {
    x: number;
    y: number;
    seriesId?: string;
    seriesName?: string;
    index?: number;
}
export interface ClipboardResult {
    /** Whether the copy was successful */
    success: boolean;
    /** Number of points copied */
    pointCount: number;
    /** Number of series included */
    seriesCount: number;
    /** The formatted text that was copied */
    text?: string;
    /** Error message if failed */
    error?: string;
}
export declare class ClipboardManager {
    private defaultOptions;
    constructor(options?: Partial<ClipboardOptions>);
    /**
     * Copy data points to clipboard
     */
    copyPoints(points: ClipboardDataPoint[], options?: Partial<ClipboardOptions>): Promise<ClipboardResult>;
    /**
     * Copy series data to clipboard
     */
    copySeries(seriesData: {
        id: string;
        name?: string;
        x: Float32Array | Float64Array;
        y: Float32Array | Float64Array;
    }[], options?: Partial<ClipboardOptions>): Promise<ClipboardResult>;
    /**
     * Format data points to string
     */
    formatPoints(points: ClipboardDataPoint[], options: ClipboardOptions): string;
    /**
     * Format as delimited text (TSV/CSV)
     */
    private formatAsDelimited;
    /**
     * Format as JSON
     */
    private formatAsJson;
    /**
     * Format as Markdown table
     */
    private formatAsMarkdown;
    /**
     * Format a number for output
     */
    private formatNumber;
    /**
     * Round a number to specified precision
     */
    private roundNumber;
    /**
     * Write text to system clipboard
     */
    private writeToClipboard;
    /**
     * Fallback clipboard copy using hidden textarea
     */
    private fallbackCopyToClipboard;
    /**
     * Read from clipboard (for paste functionality)
     */
    readFromClipboard(): Promise<string | null>;
    /**
     * Parse clipboard text to data points
     */
    parseClipboardData(text: string, format?: ClipboardFormat): ClipboardDataPoint[];
    /**
     * Detect format from text content
     */
    private detectFormat;
    /**
     * Parse JSON data
     */
    private parseJson;
    /**
     * Set default options
     */
    setDefaults(options: Partial<ClipboardOptions>): void;
    /**
     * Get current default options
     */
    getDefaults(): ClipboardOptions;
}
/**
 * Get the global clipboard manager instance
 */
export declare function getClipboardManager(): ClipboardManager;
/**
 * Copy data points to clipboard (convenience function)
 */
export declare function copyToClipboard(points: ClipboardDataPoint[], options?: Partial<ClipboardOptions>): Promise<ClipboardResult>;
/**
 * Format data as delimited string (without copying)
 */
export declare function formatData(points: ClipboardDataPoint[], options?: Partial<ClipboardOptions>): string;