import { AppState, ContentRef, KernelRef } from "@nteract/types";
/**
 * Returns the contents, such as notebooks and files, that are currently accessible
 * within the current notebook application.
 *
 * @param   state   The state of the nteract application
 *
 * @returns         The contents in scope by the nteract application by ID
 */
export declare const contentByRef: (state: AppState) => import("immutable").Map<string, import("@nteract/types").ContentRecord>;
/**
 *
 * @param   state                       The state of the nteract application
 * @param   { contentRef: ContentRef }  A reference to the ContentRecord to retrieve
 *
 * @returns                             The ContentRecord for the given ref
 */
export declare const content: (state: AppState, { contentRef }: {
    contentRef: ContentRef;
}) => import("immutable").RecordOf<import("@nteract/types").NotebookContentRecordProps> | import("immutable").RecordOf<import("@nteract/types").DummyContentRecordProps> | import("immutable").RecordOf<import("@nteract/types").FileContentRecordProps> | import("immutable").RecordOf<import("@nteract/types").DirectoryContentRecordProps> | undefined;
/**
 * Returns the model within the ContenteRecrd specified by contentRef.
 * For example, if the ContentRecord is a reference to a notebook object,
 * the model would contain the NotebookModel.
 *
 * @param   state                       The state of the nteract application
 * @param   { contentRef: ContentRef }  A reference to the ContentRecord to retrieve
 *
 * @returns                             The model of the content under the current ref
 */
export declare const model: (state: AppState, { contentRef }: {
    contentRef: ContentRef;
}) => import("immutable").RecordOf<import("@nteract/types").DocumentRecordProps> | import("immutable").RecordOf<import("@nteract/types").EmptyModelRecordProps> | import("immutable").RecordOf<import("@nteract/types").FileModelRecordProps> | import("immutable").RecordOf<import("@nteract/types").DirectoryModelRecordProps> | null;
export declare const notebookModel: (state: AppState, { contentRef }: {
    contentRef: ContentRef;
}) => import("immutable").RecordOf<import("@nteract/types").DocumentRecordProps>;
/**
 * Returns a ref to the kernel associated with a particular type of content.
 * Currently, this only support kernels associated with notebook contents.
 * Returns null if there are no contents or if the contents are not
 * a notebook.
 *
 * @param   state                       The state of the nteract application
 * @param   { contentRef: ContentRef }  A reference to the ContentRecord to retrieve
 *
 * @returns                             The kernel associated with a notebook
 */
export declare const kernelRefByContentRef: (state: AppState, ownProps: {
    contentRef: ContentRef;
}) => KernelRef | null | undefined;
export declare const kernelByContentRef: (state: AppState, ownProps: {
    contentRef: ContentRef;
}) => import("immutable").RecordOf<import("@nteract/types").KernelNotStartedProps> | import("immutable").RecordOf<import("@nteract/types").LocalKernelProps> | import("immutable").RecordOf<import("@nteract/types").RemoteKernelProps> | null | undefined;
/**
 * Returns the filepath for the content identified by a given ContentRef.
 *
 * @param   state     The state of the nteract application
 * @param   ownProps  An object containing the ContentRef
 *
 * @returns           The filepath for the content
 */
export declare const filepath: (state: AppState, ownProps: {
    contentRef: ContentRef;
}) => string | null;
/**
 * Returns the ContentRef associated with a given filepath.
 *
 * @param   state       The state of the nteract application
 * @param   ownProps    An object containing the filepath
 *
 * @returns             The ContentRef for the content under a filepath
 */
export declare const contentRefByFilepath: (state: AppState, ownProps: {
    filepath: string;
}) => string | undefined;