import { Loop } from "@specs-feup/clava/api/Joinpoints.js";
import { AdvancedTransform } from "../AdvancedTransform.js";
export declare enum LoopAnnotationIdiom {
    CLAVA = "clava",
    VITIS = "HLS"
}
export declare class LoopCharacterizer extends AdvancedTransform {
    constructor(silent?: boolean);
    characterize(loop: Loop): LoopCharacterization;
    annotate(loop: Loop, ch: LoopCharacterization, idiom?: LoopAnnotationIdiom): void;
    private handleForLoop;
    private calculateTripCount;
    private logBase;
    private getInitializationData;
    private getConditionData;
    private getIncrementData;
    private handleUnaryIncrement;
    private handleBinaryIncrement;
    private handleWhileLoop;
    private getDefaultCharacterization;
}
export type LoopCharacterization = {
    isValid: boolean;
    inductionVar: string;
    boundVar: string;
    incrementVar: string;
    initialVal: number;
    bound: number;
    increment: number;
    op: string;
    tripCount: number;
};
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