import { SourceToTarget, Mapping } from "../domain/mapping";
/**
 * Given a target branch (i.e. base branch in a PR), it returns the branch name
 * that is mapped for the given starting project, current project and target branch
 * The target branch acts as the source in the Mapping domain object. If there is source
 * which is the same as the target branch, then it returns the target of that source.
 * If no mapping is found it returns the target branch itself.
 * @param startingProject
 * @param startingProjectMappings
 * @param currentProject
 * @param currentProjectMappings
 * @param targetBranch
 * @returns
 */
export declare function getMappedTarget(startingProject: string, startingProjectMappings: Mapping | undefined, currentProject: string, currentProjectMappings: Mapping | undefined, targetBranch: string): string;
/**
 * Returns the mapping for the given starting project, current project and target branch.
 * Finds the mapping in the following order:
 * 1. starting project's dependencies[current project]
 * 2. starting project's dependencies[default]
 * 3. current project's dependant[starting project]
 * 4. current project's dependant[default]
 *
 * returns undefined if starting and current project are the same or no mapping was found or
 * a project was excluded in the other project's mapping
 * @param startingProject
 * @param startingProjectMappings
 * @param currentProject
 * @param currentProjectMappings
 * @param targetBranch
 * @returns
 */
export declare function getMapping(startingProject: string, startingProjectMappings: Mapping | undefined, currentProject: string, currentProjectMappings: Mapping | undefined, targetBranch: string): SourceToTarget | undefined;