/**
 * Label Config Builder
 *
 * Flexible, declarative Label Studio configuration generator.
 * Supports any data type and control combination without hardcoding templates.
 */
export interface LabelConfigSpec {
    dataType: 'image' | 'text' | 'audio' | 'video' | 'timeseries' | 'html' | 'hypertext';
    dataName?: string;
    controls: ControlSpec[];
}
export interface ControlSpec {
    type: 'choices' | 'labels' | 'textarea' | 'rating' | 'rectangles' | 'polygon' | 'keypoint' | 'brush';
    name: string;
    toName: string;
    config: any;
}
export interface ChoicesConfig {
    choices: string[];
    choice?: 'single' | 'multiple';
    required?: boolean;
}
export interface LabelsConfig {
    labels: Array<{
        value: string;
        background?: string;
        hotkey?: string;
    }>;
}
export interface RatingConfig {
    maxRating?: number;
    icon?: string;
    size?: 'small' | 'medium' | 'large';
}
export declare class LabelConfigBuilder {
    /**
     * Build Label Studio XML configuration from specification
     */
    static build(spec: LabelConfigSpec): string;
    /**
     * Build data source tag (Image, Text, Audio, etc.)
     */
    private static buildDataTag;
    /**
     * Build control tag based on type
     */
    private static buildControlTag;
    /**
     * Build Choices control (single or multiple selection)
     */
    private static buildChoices;
    /**
     * Build Labels control (for NER, classification, etc.)
     */
    private static buildLabels;
    /**
     * Build TextArea control
     */
    private static buildTextArea;
    /**
     * Build Rating control
     */
    private static buildRating;
    /**
     * Build Rectangle control (bounding boxes)
     */
    private static buildRectangles;
    /**
     * Build Polygon control
     */
    private static buildPolygon;
    /**
     * Build Keypoint control
     */
    private static buildKeypoint;
    /**
     * Build Brush control (semantic segmentation)
     */
    private static buildBrush;
    /**
     * Escape XML special characters
     */
    private static escapeXml;
}
/**
 * Pre-built template generators for common use cases
 */
export declare class LabelConfigTemplates {
    /**
     * Generate Rank N image classification config
     * Example: WBM Rank 3 classification
     */
    static imageRankN(ranks: number, classes: string[]): LabelConfigSpec;
    /**
     * Simple image classification
     */
    static imageClassification(classes: string[], multiLabel?: boolean): LabelConfigSpec;
    /**
     * Text classification (sentiment, intent, etc.)
     */
    static textClassification(classes: string[]): LabelConfigSpec;
    /**
     * Named Entity Recognition
     */
    static namedEntityRecognition(labels: Array<{
        value: string;
        background: string;
    }>): LabelConfigSpec;
    /**
     * Object detection (bounding boxes)
     */
    static objectDetection(labels: string[]): LabelConfigSpec;
    /**
     * Semantic segmentation
     */
    static semanticSegmentation(labels: string[]): LabelConfigSpec;
}