import type { ContentFields, ContentTypeProps } from 'contentful-management';
import type { SessionState } from '../session/state.js';
import type { SafeEnvironment } from './client.js';
/** Clears in-process content-type cache (for tests). */
export declare function clearContentTypeCacheForTests(): void;
export declare function getContentTypeCached(env: SafeEnvironment, session: SessionState, ctId: string): Promise<ContentTypeProps>;
export declare function getActiveFieldDef(ct: ContentTypeProps, fieldId: string): ContentFields | undefined;
export type SetSchemaConflict = {
    kind: 'entryLink';
} | {
    kind: 'assetLink';
} | {
    kind: 'entryLinkArray';
} | {
    kind: 'assetLinkArray';
};
/**
 * Validates that a field is suitable for --links (array of entry links).
 * Returns an error string if the field is incompatible, null if valid or unknown.
 */
export declare function validateLinksSetAgainstFieldSchema(fieldDef: ContentFields | undefined, fieldId: string): string | null;
/**
 * When the user uses scalar `set` (no --link / --asset / --links / --json),
 * ensure the target field is not a RichText or Link type that requires those flags.
 */
export declare function validateScalarSetAgainstFieldSchema(fieldDef: ContentFields | undefined): SetSchemaConflict | null;
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