import type { NodeId } from '../r-bridge/lang-4.x/ast/model/processing/node-id';
import type { ControlDependency } from './info';
export declare enum KnownHooks {
    /** Triggers on the exit of a function, no matter how this exit is enforced. */
    OnFnExit = "fn-exit"
}
/**
 * Information about a registered hook within the dataflow information.
 */
export interface HookInformation {
    /** The type of the hook */
    type: KnownHooks;
    /** The id of the function definition which is added by the hook */
    id: NodeId;
    /** Control dependencies under which the hook was registered */
    cds?: ControlDependency[];
    /** Whether the hook is added on top of existing ones (true) or replaces them (false) */
    add?: boolean;
    /** Whether the hook is executed after existing ones (true) or before (false) */
    after?: boolean;
}
/**
 * Compacts a list of hook registrations by removing redundant and dominated ones.
 */
export declare function compactHookStates(hooks: HookInformation[]): HookInformation[];
/**
 * Extracts all hooks of the given type from the list of hooks.
 * Please consider {@link compactHookStates} to remove redundant or dominated hooks first.
 */
export declare function getHookInformation(hooks: HookInformation[], type: KnownHooks): HookInformation[];