/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.dev/license
 */
import { type HttpParameterCodec, HttpParams as NgifyHttpParams } from "@ngify/http";
/**
 * Provides encoding and decoding of URL parameter and query-string values.
 *
 * Serializes and parses URL parameter keys and values to encode and decode them.
 * If you pass URL query parameters without encoding,
 * the query parameters can be misinterpreted at the receiving end.
 *
 */
export declare class HttpUrlEncodingCodec implements HttpParameterCodec {
    /**
     * Encodes a key name for a URL parameter or query-string.
     * @param key The key name.
     * @returns The encoded key name.
     */
    encodeKey(key: string): string;
    /**
     * Encodes the value of a URL parameter or query-string.
     * @param value The value.
     * @returns The encoded value.
     */
    encodeValue(value: string): string;
    /**
     * Decodes an encoded URL parameter or query-string key.
     * @param key The encoded key name.
     * @returns The decoded key name.
     */
    decodeKey(key: string): string;
    /**
     * Decodes an encoded URL parameter or query-string value.
     * @param value The encoded value.
     * @returns The decoded value.
     */
    decodeValue(value: string): string;
}
/**
 * Options used to construct an `HttpParams` instance.
 *
 */
export interface HttpParamsOptions {
    /**
     * String representation of the HTTP parameters in URL-query-string format.
     * Mutually exclusive with `fromObject`.
     */
    fromString?: string;
    /** Object map of the HTTP parameters. Mutually exclusive with `fromString`. */
    fromObject?: {
        [param: string]: string | number | boolean | ReadonlyArray<string | number | boolean>;
    };
    /** Encoding codec used to parse and serialize the parameters. */
    encoder?: HttpParameterCodec;
}
/**
 *
 * @ngify/http has slighty different implementation than Angular's HttpParams.
 * So this file to keep implement to angular
 * An HTTP request/response body that represents serialized parameters,
 * per the MIME type `application/x-www-form-urlencoded`.
 *
 * This class is immutable; all mutation operations return a new instance.
 */
export declare class HttpParams {
    private map;
    private encoder;
    private updates;
    private cloneFrom;
    constructor(options?: HttpParamsOptions);
    /**
     * Reports whether the body includes one or more values for a given parameter.
     * @param param The parameter name.
     * @returns True if the parameter has one or more values,
     * false if it has no value or is not present.
     */
    has(param: string): boolean;
    /**
     * Retrieves the first value for a parameter.
     * @param param The parameter name.
     * @returns The first value of the given parameter,
     * or `null` if the parameter is not present.
     */
    get(param: string): string | null;
    /**
     * Retrieves all values for a  parameter.
     * @param param The parameter name.
     * @returns All values in a string array,
     * or `null` if the parameter not present.
     */
    getAll(param: string): string[] | null;
    /**
     * Retrieves all the parameters for this body.
     * @returns The parameter names in a string array.
     */
    keys(): string[];
    /**
     * Appends a new value to existing values for a parameter.
     * @param param The parameter name.
     * @param value The new value to add.
     * @return A new body with the appended value.
     */
    append(param: string, value: string | number | boolean): HttpParams;
    /**
     * Constructs a new body with appended values for the given parameter name.
     * @param params parameters and values
     * @return A new body with the new value.
     */
    appendAll(params: {
        [param: string]: string | number | boolean | ReadonlyArray<string | number | boolean>;
    }): HttpParams;
    /**
     * Replaces the value for a parameter.
     * @param param The parameter name.
     * @param value The new value.
     * @return A new body with the new value.
     */
    set(param: string, value: string | number | boolean): HttpParams;
    /**
     * Removes a given value or all values from a parameter.
     * @param param The parameter name.
     * @param value The value to remove, if provided.
     * @return A new body with the given value removed, or with all values
     * removed if no value is specified.
     */
    delete(param: string, value?: string | number | boolean): HttpParams;
    /**
     * Serializes the body to an encoded string, where key-value pairs (separated by `=`) are
     * separated by `&`s.
     */
    toString(): string;
    toNgify(): NgifyHttpParams;
    private clone;
    private init;
}
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