/**
 * Schema-aware context extraction for intelligent prompt generation.
 *
 * Uses Sanity's schema introspection to read field validation rules,
 * descriptions, and sibling field values to generate richer, more
 * context-aware prompts.
 *
 * Closes #67.
 */
import type { SchemaType } from 'sanity';
export interface SchemaFieldMeta {
    /** The field name. */
    name: string;
    /** The field title (human-readable). */
    title: string;
    /** The schema-level description, if defined. */
    description: string | null;
    /** The base type ('image' or 'file'). */
    baseType: 'image' | 'file';
    /** Whether hotspot/crop is enabled for the field. */
    hasHotspot: boolean;
    /** Accept filter if defined on a file field (e.g. 'image/*', 'video/*'). */
    acceptFilter: string | null;
}
/**
 * Extract metadata about a specific image/file field from the schema.
 */
export declare function getFieldMeta(schemaType: SchemaType | undefined, fieldName: string): SchemaFieldMeta | null;
/** A key-value pair extracted from sibling fields. */
export interface SiblingValue {
    fieldName: string;
    title: string;
    value: string;
}
/**
 * Extract useful sibling field values from the document that could
 * enrich a media generation prompt.
 *
 * @param schemaType The document schema type.
 * @param getFieldValue A callback that reads a field value (typically from useFormValue).
 */
export declare function extractSiblingContext(schemaType: SchemaType | undefined, getFieldValue: (fieldName: string) => unknown): SiblingValue[];
/**
 * Build a context-rich prompt suggestion from schema metadata and
 * sibling field values.
 */
export declare function buildSchemaAwarePrompt(fieldMeta: SchemaFieldMeta | null, siblingValues: SiblingValue[], documentType: string | undefined, documentTitle: string | undefined): string | null;