import { CrochetActivation, CrochetValue, Environment } from "../intrinsics";
export declare function clone(env: Environment): Environment;
export declare function clone_with_continuation(env: Environment, k: CrochetActivation): Environment;
export declare function clone_with_receiver(env: Environment, receiver: CrochetValue): Environment;
export declare function clone_with_bindings(env: Environment, bindings: Map<string, CrochetValue>): Environment;
export declare function extend(env: Environment, receiver: CrochetValue | null): Environment;
export declare function extend_with_parameters(parent_env: Environment, parameters: string[], values: CrochetValue[]): Environment;
export declare function extend_with_parameters_and_receiver(parent_env: Environment, parameters: string[], values: CrochetValue[], receiver: CrochetValue | null): Environment;
export declare function bound_values_up_to(mark_env: Environment | null, env: Environment): Map<string, CrochetValue<import("../intrinsics").Tag>>;