export interface FontConfig {
    fontFamily: string;
    fontSize: number;
    fontWeight?: string | number;
    letterSpacing?: number;
    lineSpacing?: number;
}
export interface TspanData {
    x: number;
    y: number;
    text: string;
}
export declare function breakTextIntoLines(text: string, maxWidth: number, fontConfig: FontConfig): string[];
export declare function generateTspans(lines: string[], startX: number, startY: number, lineHeight: number, lineSpacing?: number): TspanData[];