import { HttpParameterCodec, HttpParams } from '@angular/common/http';
export declare const UtilsHttpParamsRequestInstance: <Type>(options?: HttpParamsOptions<Type>, instance?: HttpParams) => UtilsHttpParamsRequest<Type>;
export declare class UtilsHttpParamsRequest<Type = {
    pem: string;
}> extends HttpParams {
    protected params: HttpParams;
    constructor(options?: HttpParamsOptions<Type>, instance?: HttpParams);
    getInstance(): HttpParams;
    setInstance(instance: HttpParams): void;
    set(param: string, value: string | number | boolean): UtilsHttpParamsRequest;
    has(param: string): boolean;
    get(param: string): string | null;
    getAll(param: string): string[] | null;
    keys(): string[];
    append(param: string, value: string | number | boolean): HttpParams;
    appendAll(params: {
        [param: string]: string | number | boolean | ReadonlyArray<string | number | boolean>;
    }): HttpParams;
    delete(param: string, value?: string | number | boolean): UtilsHttpParamsRequest;
    toString(): string;
}
export declare interface HttpParamsOptions<Type> {
    fromString?: string;
    fromObject?: TYPE_FROM_OBJECT<Type>;
    encoder?: HttpParameterCodec;
}
export type GET_PATH_VARIABLE<TypePath, TypeOther = unknown> = {
    [Property in keyof TypePath as `pathVariable-${Lowercase<string & Property>}`]: TypePath[Property];
} & TypeOther;
type TYPE_FROM_OBJECT<Type> = Type extends undefined | null ? {
    pem: string;
} : {
    pem?: string;
} & {
    [Property in keyof Type]?: Type[Property];
};
export {};