import { Node } from "../model/Argument";
import { CertusContext, FZ } from "../model/Context";
export declare class NoChildrenMacroError extends Error {
    constructor(msg: string);
}
export declare abstract class Macro {
    name: string;
    constructor(name: string);
    /**
     * Evaluates a macro directly within the provided context. Does not expand the macro,
     * uses internal calculations over canonical sets from the context to evaluate.
     *
     * @param ctx Context object to evaluate the macro within, contains fuzzy sets
     */
    abstract evaluate(ctx: CertusContext): FZ;
    /**
     * Expands the macro into a cases expression over the provided children nodes.
     *
     * @param ctx Context object to expand the macro within, contains fuzzy sets
     * @param target assignment target (e.g., C0 is ... ), if not passed then assignment is not expanded.
     * @return a string representing the expanded macro that can be evaluated by Certus.
     */
    abstract expand(ctx: CertusContext, target?: string): string;
    protected getNodesFromContext(ctx: CertusContext): Node[];
    /**
     * Checks for the identified node in the provided context. If it is not found
     * then an error is thrown, otherwise the method completes without errors.
     *
     * @param ctx Context to search for node within.
     * @param id Identifier for the node in the context.
     */
    protected checkNodeInContext(ctx: CertusContext, id: string): void;
    protected checkMinimumNodes(nodes: Node[]): void;
    protected scoreNode(ctx: CertusContext, n: Node, sortedSets: FZ[]): number;
    protected scoreToSet(score: number, sortedSets: FZ[], invert?: boolean): FZ;
    protected setsToNumbers(sets: FZ[]): number[];
    /**
     * Computes the iterative product of sets, up to N times
     */
    protected combinations(sets: number[], N: number): number[][];
    protected buildCase(nodes: string[], sets: FZ[], result: FZ, comb?: string, comparison?: string): string;
    protected roundScore(x: number): number;
}
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