import type { AccountTransportProviderId, TokenAuthSourceType } from './auth.js';
import type { ReasoningTier } from './providers.js';
export type CapabilitySupport = 'supported' | 'unsupported' | 'partial' | 'unknown';
export type ToolChoiceMode = 'auto' | 'required' | 'none';
export type StructuredOutputStrategy = 'json-object' | 'json-schema' | 'tool-call';
export type JsonSchemaSupportLevel = 'none' | 'json-schema' | 'json-schema-subset' | 'tool-input-schema';
export interface ToolUseCapabilities {
    support: CapabilitySupport;
    parallelCalls: CapabilitySupport;
    streamedArgumentDeltas: CapabilitySupport;
    resultContinuation: CapabilitySupport;
    toolChoice: readonly ToolChoiceMode[];
}
export interface StreamingCapabilities {
    support: CapabilitySupport;
    nativeProviderChunks: CapabilitySupport;
}
export interface JsonSchemaCapabilities {
    support: CapabilitySupport;
    level: JsonSchemaSupportLevel;
    strict: boolean;
    unsupportedKeywords?: readonly string[];
    stringEnumsOnly?: boolean;
    maxDepth?: number;
}
export interface StructuredOutputCapabilities {
    support: CapabilitySupport;
    strategies: readonly StructuredOutputStrategy[];
    jsonSchema: JsonSchemaCapabilities;
}
export interface ReasoningCapabilities {
    support: CapabilitySupport;
    tier: ReasoningTier;
    controls: CapabilitySupport;
    visibleSummaries: CapabilitySupport;
    hiddenSignatures: CapabilitySupport;
    tokenUsageAccounting: CapabilitySupport;
}
export interface ModalityCapabilities {
    input: readonly ('text' | 'image' | 'audio' | 'video' | 'file')[];
    output: readonly ('text' | 'json' | 'tool-call')[];
}
export interface AuthCapabilities {
    tokenSources: readonly TokenAuthSourceType[];
    accountTransports: readonly AccountTransportProviderId[];
}
export interface ProviderCapabilities {
    tools: ToolUseCapabilities;
    streaming: StreamingCapabilities;
    structuredOutput: StructuredOutputCapabilities;
    reasoning: ReasoningCapabilities;
    modalities: ModalityCapabilities;
    auth: AuthCapabilities;
}
export interface ModelCapabilities extends ProviderCapabilities {
    contextWindowTokens?: number;
    maxOutputTokens?: number;
}
export declare const geminiUnsupportedJsonSchemaKeywords: readonly ["additionalProperties", "unevaluatedProperties", "patternProperties", "propertyNames", "contains", "dependencies", "dependentRequired", "dependentSchemas", "$schema", "$id", "$anchor", "$comment"];
//# sourceMappingURL=capabilities.d.ts.map