/** @packageDocumentation
 * @module OrbitGT
 */
declare type int32 = number;
import { CRS } from "./CRS";
import { OperationMethod } from "./OperationMethod";
import { WellKnownTextNode } from "./WellKnownTextNode";
/**
 * Class WellKnownText parses Well-known Text Representations of Spatial Reference Systems.
 *
 * @version 1.0 December 2010
 */
/** @internal */
export declare class WellKnownText {
    /** The name of this module */
    private static readonly MODULE;
    /** The dialect type in case of generic WKT */
    static readonly TYPE_GENERIC: string;
    /** The conversion ratio from "arc-sec" to "radian" */
    private static readonly _ARC_SEC_TO_RAD;
    /** The counter for creating unique codes */
    private static _CODES;
    /**
     * No instances.
     */
    private constructor();
    /**
     * Unquote a name.
     * @param name the name.
     * @return the unquoted name.
     */
    private static unquote;
    /**
     * Get a number.
     * @param value the string value.
     * @return the number.
     */
    private static getInteger;
    /**
     * Get a number.
     * @param value the string value.
     * @return the number.
     */
    private static getDouble;
    /**
     * Get a number.
     * @param value the node value.
     * @return the number.
     */
    private static getNodeDouble;
    /**
     * Get an EPSG code for an element.
     * @param authority the authority for the element.
     * @param dialect the dialect of WKT to parse.
     * @return the EPSG code (zero if not found).
     */
    private static getEPSGCode;
    /**
     * Parse a linear unit.
     * @param node the well-known-text node.
     * @param dialect the dialect of WKT to parse.
     * @return the unit.
     */
    private static parseLinearUnit;
    /**
     * Parse an angular unit.
     * @param node the well-known-text node.
     * @param dialect the dialect of WKT to parse.
     * @return the unit.
     */
    private static parseAngularUnit;
    /**
     * Parse a spheroid.
     * @param crsCode the code of the CRS.
     * @param node the well-known-text node.
     * @param dialect the dialect of WKT to parse.
     * @return the ellipsoid.
     */
    private static parseSpheroid;
    /**
     * Parse a prime-meridian.
     * @param crsCode the code of the CRS.
     * @param node the well-known-text node.
     * @param dialect the dialect of WKT to parse.
     * @return the prime-meridian.
     */
    private static parsePrimeMeridian;
    /**
     * Parse a to-wgs84 transform.
     * @param node the well-known-text node (method position vector).
     * @param dialect the dialect of WKT to parse.
     * @return the transform.
     */
    static parseToWGS84(node: WellKnownTextNode, dialect: string): OperationMethod;
    /**
     * Parse a datum.
     * @param crsCode the code of the CRS.
     * @param node the well-known-text node.
     * @param primeMeridian the prime meridian.
     * @param dialect the dialect of WKT to parse.
     * @return the datum (with optional embedded datum transformation to WGS84).
     */
    private static parseDatum;
    /**
     * Parse a projection method.
     * @param projection the well-known-text projection node.
     * @param parameters the well-known-text parameter nodes.
     * @param dialect the dialect of WKT to parse.
     * @return the projection method.
     */
    private static parseProjectionMethod;
    /**
     * Parse a geocentric CRS.
     * @param crsCode the code of the CRS.
     * @param node the well-known-text node.
     * @param dialect the dialect of WKT to parse.
     * @return the CRS.
     */
    private static parseGeocentric;
    /**
     * Parse a geographic CRS.
     * @param crsCode the code of the CRS.
     * @param node the well-known-text node.
     * @param dialect the dialect of WKT to parse.
     * @return the CRS.
     */
    private static parseGeographic;
    /**
     * Parse a projected CRS.
     * @param crsCode the code of the CRS.
     * @param node the well-known-text node.
     * @param dialect the dialect of WKT to parse.
     * @return the CRS.
     */
    private static parseProjection;
    /**
     * Parse a vertical CRS.
     * @param crsCode the code of the CRS.
     * @param node the well-known-text node.
     * @param dialect the dialect of WKT to parse.
     * @return the CRS.
     */
    private static parseVertical;
    /**
     * Parse a CRS well-known-text.
     * @param crsCode the code of the CRS.
     * @param text the well-known-text.
     * @param dialect the dialect of WKT to parse.
     * @return the CRS (null if unable to parse).
     */
    static parseSpatialReferenceSystem(crsCode: int32, text: string, dialect: string): CRS;
}
export {};
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