/**
 * Marker symbol for Declarable type identification
 */
export declare const DECLARABLE_MARKER: unique symbol;
/**
 * Base interface for all declarable entities
 */
export interface Declarable {
    readonly lexicon: string;
    readonly entityType: string;
    readonly kind?: "resource" | "property" | "output";
    readonly [DECLARABLE_MARKER]: true;
}
/**
 * A `Declarable` that carries a resource payload — the `props`/`attributes`
 * fields that most lexicon serializers read to produce output. Not every
 * `Declarable` has one (outputs and parameters genuinely don't), so this is
 * kept as a sub-interface rather than widening the base type. See chant #1049.
 */
export interface ResourceDeclarable extends Declarable {
    readonly props: unknown;
    readonly attributes?: unknown;
}
/**
 * Type guard for `ResourceDeclarable` — replaces the ad-hoc `"props" in x`
 * checks that were previously repeated (with an `as unknown as` cast) at every
 * call site that reads `props`/`attributes` off a `Declarable`.
 */
export declare function isResourceDeclarable(value: Declarable): value is ResourceDeclarable;
/**
 * Core parameter type for lexicon-agnostic parameters
 */
export interface CoreParameter extends Declarable {
    readonly parameterType: string;
}
/**
 * Core output type for lexicon-agnostic outputs
 */
export interface CoreOutput extends Declarable {
    readonly value: unknown;
}
/**
 * Type guard to check if a value is a Declarable
 */
export declare function isDeclarable(value: unknown): value is Declarable;
/**
 * Type guard to check if a Declarable is a property-level type
 */
export declare function isPropertyDeclarable(value: Declarable): boolean;
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