import { ChainName, DomainRoutingIsmConfig, IsmType, MailboxDefaultIsmConfig, RoutingIsmConfig } from '@hyperlane-xyz/sdk';
import { WithAddress } from '@hyperlane-xyz/utils';
import type { BaseMetadataBuilder } from './builder.js';
import type { MetadataBuilder, MetadataContext, RoutingMetadataBuildResult, StructuredMetadata } from './types.js';
export type RoutingMetadata<T> = {
    type: typeof IsmType.ROUTING | typeof IsmType.MAILBOX_DEFAULT;
    origin: ChainName;
    metadata: T;
};
export declare class StaticRoutingMetadataBuilder implements MetadataBuilder {
    protected baseMetadataBuilder: BaseMetadataBuilder;
    constructor(baseMetadataBuilder: BaseMetadataBuilder);
    build(context: MetadataContext<WithAddress<DomainRoutingIsmConfig>>, maxDepth?: number): Promise<RoutingMetadataBuildResult>;
    static decode(metadata: string, context: MetadataContext<WithAddress<DomainRoutingIsmConfig>>, decodeFn: (metadata: string, context: MetadataContext) => StructuredMetadata): RoutingMetadata<StructuredMetadata | string>;
}
export declare class DynamicRoutingMetadataBuilder extends StaticRoutingMetadataBuilder {
    protected baseMetadataBuilder: BaseMetadataBuilder;
    constructor(baseMetadataBuilder: BaseMetadataBuilder);
    build(context: MetadataContext<WithAddress<RoutingIsmConfig | MailboxDefaultIsmConfig>>, maxDepth?: number): Promise<RoutingMetadataBuildResult>;
    /**
     * The mailbox default ISM picks its sub-module through an on-chain
     * `route(message)` call (see build), which a synchronous decode cannot make.
     * The sub-module's metadata is therefore surfaced as raw bytes instead of
     * being decoded against a module that may not be the one that verified.
     */
    static decodeMailboxDefault(metadata: string, context: MetadataContext<WithAddress<MailboxDefaultIsmConfig>>): RoutingMetadata<string>;
}
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