import { SchemaParser } from '@asyncapi/parser';
/** Minimal parser surface needed to register and patch MIME lookup. */
export interface SchemaParserHost {
    registerSchemaParser(parser: SchemaParser): unknown;
    parserRegistry: {
        get(key: string): SchemaParser | undefined;
    };
}
/**
 * Registers a schema parser plugin and patches the parser registry so any
 * schemaFormat matching `matchesFormat` resolves to it — parser-js matches
 * schemaFormat strings exactly, so unlisted versions (e.g.
 * `application/vnd.apache.avro;version=1.11.0`) would otherwise be rejected.
 *
 * The patch composes: each wrapper delegates to the previous `get`, so
 * registering several plugins this way stacks their fallbacks.
 */
export declare function registerSchemaParserWithFallback(parser: SchemaParserHost, schemaParser: SchemaParser, matchesFormat: (format: string) => boolean): void;