/**
 * Binary operator helper functions — narrowing targets, comparison type
 * resolution, and nullish comparison context building.
 *
 * Extracted from binary-emitter.ts — contains the helper functions used
 * by the main emitBinary dispatcher.
 */
import { IrExpression, IrType } from "@tsonic/frontend";
import { EmitterContext } from "../../types.js";
export declare const getNarrowingTargetKey: (expr: IrExpression) => string | undefined;
export declare const getTransparentComparisonTarget: (expr: IrExpression) => IrExpression;
export declare const resolveComparisonOperandType: (expr: IrExpression, context: EmitterContext) => IrType | undefined;
export declare const isNumericOperandType: (type: IrType | undefined) => boolean;
export declare const widenLiteralComparisonType: (type: IrType | undefined) => IrType | undefined;
export declare const chooseComparisonExpectedType: (ownType: IrType | undefined, otherType: IrType | undefined, context: EmitterContext) => IrType | undefined;
export declare const buildNullishComparisonContext: (expr: IrExpression, context: EmitterContext) => EmitterContext;
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