import { LocationRange } from "../ast/types.js";
import { BaseLambda } from "./lambda/index.js";
export declare class Frame {
    lambda: BaseLambda;
    location?: LocationRange | undefined;
    isFrame(): number;
    constructor(lambda: BaseLambda, location?: LocationRange | undefined);
    toString(): string;
}
export declare class FrameStack {
    frames: Frame[];
    static make(): FrameStack;
    extend(frame: Frame): void;
    pop(): void;
    toString(): string;
    getTopFrame(): Frame | undefined;
    isEmpty(): boolean;
}
//# sourceMappingURL=FrameStack.d.ts.map