/**
 * Exact-comparison lowering helpers.
 * Determines whether an already-emitted C# AST node matches an expected type,
 * avoiding redundant casts.
 */
import { IrType } from "@tsonic/frontend";
import { EmitterContext } from "../types.js";
import type { CSharpExpressionAst, CSharpTypeAst } from "../core/format/backend-ast/types.js";
export declare const hasNullishBranch: (type: IrType | undefined) => boolean;
export declare const tryEmitExactComparisonTargetAst: (type: IrType, context: EmitterContext) => [CSharpTypeAst, EmitterContext] | undefined;
export declare const canUseImplicitOptionalSurfaceConversion: (actualType: IrType, expectedType: IrType, context: EmitterContext) => boolean;
export declare const isExactCastToType: (ast: CSharpExpressionAst, targetType: CSharpTypeAst) => boolean;
export declare const isExactAsExpressionToType: (ast: CSharpExpressionAst, targetType: CSharpTypeAst) => boolean;
export declare const isExactArrayCreationToType: (ast: CSharpExpressionAst, targetType: CSharpTypeAst) => boolean;
export declare const isExactNullableValueAccessToType: (ast: CSharpExpressionAst, actualType: IrType, expectedType: IrType, context: EmitterContext) => boolean;
export declare const isExactExpressionToType: (ast: CSharpExpressionAst, targetType: CSharpTypeAst) => boolean;
//# sourceMappingURL=exact-comparison.d.ts.map