import { Context, BaseVisitor } from "@apexlang/core/model";
export declare class ProtoVisitor extends BaseVisitor {
    private requestTypes;
    private exposedTypes;
    private valueTypes;
    visitNamespaceBefore(context: Context): void;
    visitNamespaceAfter(context: Context): void;
    visitNamespace(context: Context): void;
    visitInterface(context: Context): void;
    visitTypeBefore(context: Context): void;
    visitTypeField(context: Context): void;
    visitTypeAfter(context: Context): void;
    visitEnum(context: Context): void;
    visitUnion(context: Context): void;
}
export declare class WrapperTypesVisitor extends BaseVisitor {
    found: Set<string>;
    visitOperation(context: Context): void;
}
export declare class GRPCVisitor extends ProtoVisitor {
}
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