import type { ContextHandler, ContextType } from '@finos/fdc3';
/**
 * Converts implementation addContextListener parameters to those required by fdc3 addContextListener method
 * @param handlerOrContextType is either handler for context received on channel or type of context being listened for
 * @param optionalContextHandler is handler for context received on channel, depending on version of signature used
 * @returns type of context that context listener will listen for, and handler that will be called when context of that type is received
 */
export declare function resolveContextType(handlerOrContextType: ContextHandler | null | ContextType, optionalContextHandler?: ContextHandler): {
    contextType: ContextType | null;
    contextHandler: ContextHandler;
};