/**
 * INTERNAL_LAYER_PREFIX The id prefix of internal layers
 * @global
 */
export declare const INTERNAL_LAYER_PREFIX = "_maptalks__internal_layer_";
export declare const GEOMETRY_COLLECTION_TYPES: string[];
export declare const GEOJSON_TYPES: string[];
/**
 * Symbol properties containing external resources
 */
export declare const RESOURCE_PROPERTIES: string[];
/**
 * Corresponding size properties for the above resource properties
 */
export declare const RESOURCE_SIZE_PROPERTIES: string[][];
/**
 * numeric symbol properties
 */
export declare const NUMERICAL_PROPERTIES: {
    lineWidth: number;
    lineOpacity: number;
    lineDx: number;
    lineDy: number;
    polygonOpacity: number;
    markerWidth: number;
    markerHeight: number;
    markerDx: number;
    markerDy: number;
    markerOpacity: number;
    markerFillOpacity: number;
    markerLineWidth: number;
    markerLineOpacity: number;
    textSize: number;
    textOpacity: number;
    textHaloRadius: number;
    textWrapWidth: number;
    textLineSpacing: number;
    textDx: number;
    textDy: number;
};
/**
 *  color symbol properties
 */
export declare const COLOR_PROPERTIES: string[];
export declare const DEFAULT_TEXT_SIZE = 14;
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