import { IrType } from "@tsonic/frontend";
import type { CSharpExpressionAst, CSharpTypeAst } from "../core/format/backend-ast/types.js";
import type { EmitterContext } from "../types.js";
export type UpcastFn = (ast: CSharpExpressionAst, actualType: IrType | undefined, context: EmitterContext, expectedType: IrType | undefined, visited?: ReadonlySet<string>) => [CSharpExpressionAst, EmitterContext] | undefined;
export type StructuralAdaptFn = (emittedAst: CSharpExpressionAst, sourceType: IrType | undefined, context: EmitterContext, expectedType: IrType | undefined, upcastFn?: UpcastFn) => [CSharpExpressionAst, EmitterContext] | undefined;
export type StructuralPropertyInfo = {
    readonly name: string;
    readonly type: IrType;
    readonly isOptional: boolean;
};
export declare const buildDelegateType: (parameterTypes: readonly CSharpTypeAst[], returnType: CSharpTypeAst) => CSharpTypeAst;
//# sourceMappingURL=structural-adaptation-types.d.ts.map