/**
 * Citymapper directions payload definition.
 */
export interface CitymapperDirectionsPayload {
    /**
     * Destination coordinate formatted as "latitude,longitude".
     */
    endcoord: string;
    /**
     * Destination business name or nickname.
     */
    endname?: string;
    /**
     * Destination street address.
     */
    endaddress?: string;
    /**
     * Start coordinate formatted as "latitude,longitude".
     */
    startcoord?: string;
    /**
     * Start point business name or nickname.
     */
    startname?: string;
    /**
     * Start point street address.
     */
    startaddress?: string;
    /**
     * Arrival date/time in ISO-8601 format. Serialized as `arrival_time`.
     */
    arrivalTime?: string;
}
/**
 * Citymapper x-callback-url directions payload definition.
 */
export interface CitymapperXCallbackDirectionsPayload extends CitymapperDirectionsPayload {
    /**
     * User-visible source app name.
     */
    xSource: string;
    /**
     * Deep link back into the source app.
     */
    xSuccess: string;
}
export declare function citymapperDirectionsParams(payload: CitymapperDirectionsPayload): {
    startcoord: string | undefined;
    startname: string | undefined;
    startaddress: string | undefined;
    endcoord: string;
    endname: string | undefined;
    endaddress: string | undefined;
    arrival_time: string | undefined;
};
export declare function citymapperUrl(base: string, params: Record<string, unknown>): string;